Chemistry Chapter 5

What is the formula for the compound formed between Al and P?

AlP

Name the following compound: AlBr3

Aluminum Bromide

What polyatomic ion is in the following compound? NH4Cl

Ammonium

Which electron dot symbol is correct for Ba?

B

What is the formula for the compound formed between Be and P?

Be3P2

Which electron dot symbol is correct for Se?

C

Which of the following compounds would NOT include a roman numeral in their name? NiO CO2 Al2O3 Fe2O3

CO2, Al2O3

Write the formula for Ca(2+) and NO3(-).

Ca(NO3)2

Write the formula for calcium nitride.

Ca3N2

What is the correct formula for the ionic compound formed between calcium and oxygen?

CaO

Ca(OH)2 The metal ion in this compound is fixed-charge metal and the polyatomic ion is negative. 1. Name of positive ion _______? 2. Name of negative ion ________? 3. Name of compound _______ ________?

Calcium, Hydroxide, Calcium Hydroxide

The loss or gain of electrons destroys the proton-electron balance and leaves the atom with a _____.

Charge

_____ _____ are the forces which hold atoms together in chemical compounds.

Chemical Bonds

The arrangement of electrons in an atom determines its _____.

Chemical Properties

What is the stem name for chlorine?

Chlor

What is the name for Cr(3+)

Chromium (III)

What is the name for Cu2O?

Copper (I) oxide

What is the name for Cu(2+) ion?

Copper (II)

What is the name for CuO?

Copper (II) Oxide

The sharing of electron pairs between atoms makes what type of chemical bond?

Covalent

What type of bond forms a molecular compound?

Covalent

The atoms in a polyatomic ion are _____ bonded.

Covalently

Write the formula for the compound; copper (II) hydroxide

Cu(OH)2

Write the formula for copper (II) oxide

CuO

The charges on these ions are the _____. CO3(-2) and HCO3(-)

Different

There is one _____ for each _____ electron in an electron dot symbol.

Dot, Valence

The valence electrons are the _____ to transfer or share in chemical bonds.

Easiest

The _____ _____ determines how atoms combine.

Electron Structure

To be neutral substance the positive charges and negative charges must be _____.

Equal

Write the formula for the compound containing: Fe(3+) and OH(-)

Fe(OH)3

Which of the following compounds has a correct name that includes a roman numeral? CaCl2 CO2 Al2O3 Fe2O3

Fe2O3

What materials contain phosphates?

Fertilizers

Determining if a compound is ionic or covalent is the _____ _____ in naming chemical compounds.

First Step

A metal ion which always has the same charge is a _____-_____ metal ion.

Fixed-charged

All metals in group IA and IIA are _____-_____ metals.

Fixed-charged

An ionic bond forms when one atom _____ electrons and the other atom _____ electron.

Gains, Loses

Sodium _____ an electron _____ chlorine when they react to form an ionic compound.

Gives, To

The chemical properties of an element are determined by the electrons in the _____ energy shell.

Highest

An _____ is an atom that is charged because it has lost or gained electrons.

Ion

NaF is _____

Ionic

Polyatomic ions always combine with other ions to form _____ compounds.

Ionic

The attraction between positive and negative charges makes an _____ bond.

Ionic

The transfer of electrons between atoms or groups of atoms makes what type of chemical bond?

Ionic

What type of bond forms an ionic compound?

Ionic

The major types of chemical bonds are _____ and _____ bonds.

Ionic, Covalent

The major types of chemical compounds are _____ and _____ compounds.

Ionic, Molecular

Polyatomic ions are always combined with other _____.

Ions

Name the following pair of ionic compounds; FeO and Fe2O3

Iron (II) Oxide, Iron (III) Oxide

Write the formula for the compound containing: K(+) and CO3(2-).

K2CO3

Give the formula for the ionic compound formed between potassium and sulfur.

K2S

Write the formula for; potassium bromide

KBr

For an element to gain electrons a different element must _____ electrons.

Lose

An ion with a charge of +3 has _____ three electrons.

Lost

Positive ions have _____ electrons. Negative ions have _____ electrons.

Lost, Gained

Name the following compound: Mg3N2

Magnesium Nitride

Name the following compound: Mg3(PO4)2

Magnesium Phosphate

Name the following pair of ionic compounds; MnO and MnO2

Manganese (II) Oxide, Manganese (IV) Oxide

The only way to learn the polyatomic ions is to _____ them.

Memorize

Positive polyatomic ion names are used in place of the _____ name.

Metal

What name comes first in naming an ionic compound?

Metal

If an element loses electrons it is a _____. If an element gains electrons it is a _____.

Metal, Non-metal

What is the correct formula for the compound formed between magnesium and nitrogen?

Mg3N2

Give the formula for the ionic compound formed between bromine and magnesium.

MgBr2

Write the formula for magnesium chloride.

MgCl2

Write the formula for the compound: ammonium chloride

NH4Cl

Write the formula for the compound containing: Ammonium and Nitrate NH4(+) NO3(-)

NH4NO3

What is the correct formula for the compound formed between sodium and oxygen?

Na2O

The formula for this compound needs three sodiums and one phosphate. Write the formula for the ionic compound.

Na3(PO4)

Give the formula for the ionic compound formed between sodium and fluorine.

NaF

Write the formula for the compound; sodium bicarbonate

NaHCO3

Atoms that gain electrons will have a _____ charge?

Negative

The most common charge on polyatomic ions in table 5.1 is _____.

Negative

When an atom gains electrons it will have a _____ charge.

Negative

Consider the following compound: Ca(OH)2 The polyatomic ion is _____. What is the name of the polyatomic ion?

Negative, Hydroxide

Which of the following compounds has a correct name that includes a roman numeral? CaSO4 K2SO4 Ni2SO4 Al2(SO4)2

Ni2SO4

What is the formula for nickel (II) chloride?

NiCl2

Write the formula for Nickel (II) Sulfide

NiS

Are the charges of the ions shown in a formula for an ionic compound?

No

Can the charge on a variable-charge metal ion be determined from the periodic table?

No

In covalent bonding, does one atom lose electrons?

No

Name the following compound; (NH4)2SO4 1. Is the positive ion a variable-charge metal? (yes, no) 2. Name of positive ion _______? 3. Name of negative ion ________? 4. Name of compound __________ ________?

No, Ammonium, Sulfate, Ammonium Sulfate

The formation of a covalent bond usually involves _____.

Non-metals

What type of elements are usually involved in covalent bonding?

Non-metals

The tendency for atoms to lose, gain, or share valence electrons so that they can have a noble gas electron structure is known as the _____ _____.

Octet Rule

The way atoms combine to form compounds is explained by the _____ _____.

Octet Rule

When atoms come together, only the electrons in the _____ shell interact.

Outermost

The electrons which interact when atoms come together are in the _____ shell and are known as _____ electrons.

Outermost, Valence

Atoms that lose electrons will have a ______ charge?

Positive

When an atom loses electrons it will have a _____ charge.

Positive

In the ionic compound NaCl, sodium has a _____ charge and chlorine has a _____ charge.

Positive, Negative

Name the following compound: K3P

Potassium Phosphide

Ionic formulas give the _____ of metal ions to non-metal ions.

Ratio

The numbers in an ionic formula are given by the _____ of positive to negative charges that make the compound neutral.

Ratio

The compounds formed by _____ elements can be explained by the octet rule.

Representative

When naming a variable-charge ionic compound the positive charge must be given using a _____ _____.

Roman Numeral

When naming compounds containing a variable charge metal, the charge on the metal ion is given by a _____ _____.

Roman Numeral

In covalent bonding each atom gets eight electrons in its outer shell by _____ electrons.

Sharing

Naming compounds containing polyatomic ions is _____ to naming other ionic compounds.

Similar

Covalent bonds form between _____ or _____ atoms.

Similar, Identical

What is the name of the metal in NaF?

Sodium

Name the following compound; Na2CO3

Sodium Carbonate

What is the name of NaF?

Sodium fluoride

Ionic bonding makes compounds _____.

Stable

The electron structure of the noble gases is considered to be _____.

Stable

The octet rule says that atoms in a compound will lose, gain, or share valence electrons to achieve a _____ electron structure like a noble gas.

Stable

What is the name of the polyatomic ion in the following compound? ZnSO4

Sulfate

Iron can form ions with more than one type of positive ion.

True

Polyatomic ions form ionic compounds.

True

Sodium chloride is an ionic solid made up of a metal and a non-metal.

True

When an atom has eight electrons in its outer shell it is non-reactive.

True

Atoms _____ occur naturally as clusters with other atoms.

Usually

Look at sulfur (S) in the periodic table. Give the following information: Group number: Outer shell electrons: Valence electrons: Total electrons:

VIA, 6, 6, 16

What is fluorine's (F) group number? How many electrons are in the outermost shell of fluorine? How many valence electrons does fluorine have?

VIIA, 7, 7

Chemical bonds between atoms are determined by their _____ electrons.

Valence

The electron dot symbol is a way to picture an atom's _____ electrons.

Valence

The electrons involved in chemical bonds are the _____ electrons.

Valence

Can a chemical symbol be used more than once in a chemical formula?

Yes

Can variable-charge metals form more than one positive ion?

Yes

Is the ratio of calcium to chlorine in CaCl2 1:2?

Yes

The number of electrons lost must always equal the number of electrons gained when an ionic compound is formed.

Yes

Name the following compound; Fe2(CO3)3 1. Is the positive ion a variable-charge metal? (yes, no) 2. Name of positive ion _______? 3. Name of negative ion ________? 4. Name of compound _______ ___ ________?

Yes, Iron (III), Carbonate, Iron (III) Carbonate

Name the following compound; AgCl 1. Is the compound ionic? (yes, no) 2. Is the metal a fixed-charge metal? (yes, no) 3. Charge on the metal ion ____? 4. Metal name ________? 5. Non-metal stem ______? 6. Compound name ________ ________?

Yes, Yes, +1, Silver, Chlor, Silver Chloride

Name the following compound; Na2S 1. Is the compound ionic? (yes, no) 2. Is the metal a fixed-charge metal? (yes, no) 3. Charge on the metal ion ____? 4. Metal name ________? 5. Non-metal stem ______? 6. Compound name ________ ________?

Yes, Yes, +1, Sodium, Sulf, Sodium Sulfide

Name the following compound; CaCl2 1. Is the compound ionic? (yes, no) 2. Is the metal a fixed-charge metal? (yes, no) 3. Charge on the metal ion ____? 4. Metal name ________? 5. Non-metal stem ______? 6. Compound name ________ ________?

Yes, Yes, +2, Calcium, Chlor, Calcium Chloride

Name the following compound; Al2O3 1. Is the compound ionic? (yes, no) 2. Is the metal a fixed-charge metal? (yes, no) 3. Charge on the metal ion ____? 4. Metal name ________? 5. Non-metal stem ______? 6. Compound name ________ ________?

Yes, Yes, +3, Aluminum, Ox, Aluminum Oxide

Name the following compound; CaO 1. Is the compound ionic? (yes, no) 2. Is the metal a fixed-charge metal? (yes, no) 3. Metal name ________? 4. Non-metal stem ______? 5. Compound name ________ ________?

Yes, Yes, Calcium, Ox, Calcium oxide

In a compound containing polyatomic ions the total charge must equal _____.

Zero

Which of the following compounds are ionic? a) NaCl b) NO2 c) CaO d) CO2

a, c

What is the name for the "copper ion" in Cu2O

copper (I)

What is the stem name of the non-metal in NaF?

fluor

Name the following compound; TiCl4 1. Is the compound ionic? (yes, no) 2. Is the metal a variable-charge metal? (yes, no) 3. Charge on the metal ion ____? 4. Metal name ________? 5. Non-metal stem ______? 6. Compound name ________ ___ ________?

yes, yes, +4, Titanium (IV), Chlor, Titanium (IV) Chloride

Name the following compound; CuCl 1. Is the compound ionic? (yes, no) 2. Is the metal a variable-charge metal? (yes, no) 3. Charge on the metal ion ____? 4. Metal name ________? 5. Non-metal stem ______? 6. Compound name ________ ___ ________?

yes, yes, 1+, Copper (I), Chlor, Copper (1) Chloride

What is the charge on an ammonium ion?

+1

What is the charge on a sodium (Na) ion? What is the charge on a chlorine (Cl) ion?

+1, -1

If magnesium loses two electrons what will be the charge on the resulting magnesium ion?

+2

What charge must copper have to equal the negative charge?

+2

What is the charge on nickel in the compound nickel (II) chloride?

+2

What is the charge on a beryllium (Be) ion? What is the charge on a nitrogen (N) ion?

+2, -3

If chlorine gains one electron what will be the charge on the resulting chlorine ion?

-1

What is the charge on a nitrate ion?

-1

What is the charge on a sulfate ion?

-2

What is the charge on the oxygen ion?

-2

The name of ionic compounds that contain only two elements will always end in.

-Ide

How many electrons are in the highest energy shell of hydrogen, lithium, sodium, and potassium?

1

How many valence electrons must chlorine gain to achieve a noble gas structure?

1

Sodium is in group IA How many electrons will sodium lose? What will the charge be on a sodium ion?

1, +1

Sodium is a metal and will lose how many electrons? Chlorine is a non-metal and will gain how many electrons?

1, 1

How many calcium ions and nitrate ions are needed to make a molecule with zero charge?

1, 2

Indicate the number of electrons lost when the following metallic elements form ions. Na Ca Sr Al

1, 2, 2, 3

How many electrons are in the P atom? How many electrons are in the P3- ion?

15, 18

A chemical compound must contain at least _____ elements

2

How many electrons are in the highest energy shell for elements in group IIA?

2

How many electrons are in the highest energy shell of these elements? (Beryllium, magnesium, and calcium)

2

How many electrons are transferred when calcium and oxygen react to form an ionic compound?

2

How many electrons must magnesium lose to have a noble gas structure?

2

How many of the polyatomic ions in table 5.1 are positive

2

How many positive ions can iron form?

2

Since there are two nitrate ions, the nitrate polyatomic ion should be put inside parentheses. What number should be outside the parentheses?

2

The electron transfer between sodium and oxygen is shown below. How many sodium atoms must react with one oxygen atom?

2

There are how many types of ionic compounds?

2

What is the charge on iron (II)? What is the charge on iron (III)?

2+, 3+

How many electrons will oxygen gain? What will the charge be on an oxygen ion?

2, -2

The calcium (+2) ion has lost how many electrons? The oxygen (-2) ion has gained how many electrons?

2, 2

Predict the number of electrons lost or gained and the resulting ionic charge when the following atom forms an ion. Se

2, gained, -2

Predict the number of electrons lost or gained and the resulting ionic charge when the following atom forms an ion. Be

2, lost, +2

An ion that has a -3 charge has gained how many electrons?

3

Because aluminum and gallium are in group IIIA they always form ions with a positive _____ charge.

3

How many polyatomic ions have names that end in -ide?

3

How many sulfate polyatomic ions are in aluminum sulfate?

3

To make the positive and negative charges equal we need how many Sodium ions: Phosphate ions:

3, 1

Indicate the number of electrons gained when the following non-metallic elements form ions. N Cl S

3, 1, 2

Give the number of protons and electrons in the ion: Li+

3, 2

How many magnesium atoms are needed? How many nitrogen atoms are needed?

3, 2

How many dots are around boron? How many valence electrons does boron have?

3, 3

The number of positive charges equals? The number of negative charges equals?

3, 3

All the elements in group IVA will have how many dots?

4

How many valence electrons does phosphorus have?

5

When magnesium reacts with nitrogen, how many electrons are transferred from the magnesium atoms to the nitrogen atoms?

6

How many chloride ions are bonded to one sodium ion? How many sodium ions are bonded to one chloride ion?

6, 6

How many sodium ions are around a chloride ion? How many chloride ions are around a sodium ion?

6, 6

How many electrons are in the highest energy shell of these elements? (Neon and Argon)

8

How many electrons do the noble gases contain in their outer shell?

8

Give the number of protons and electrons in the ion: F-

9, 10