CHEM ionic bond test

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The correct name for SrO is

strontium oxide

Which is not a characteristic of most ionic compounds?

they have low melting points

an electron in the highest occupied energy level of an atom

valence electron

How many valence electrons are in an atom of magnesium

2

What is the charge on the strontium ion?

2+

How many electrons does a nitrogen atom need to gain to attain a noble gas electron configuration?

3

How many electrons does nitrogen gain in order to achieve a noble gas electron configuration?

3

How many valence electrons are in an atom of phosphorus?

5

The correct name for Cu(CN)2 is

Copper (II) cyanide

The correct formula of iron (III) bromide is

FeBr3

Which of the following elements does not need 8 valence electrons

Helium

A chemical formula that describes the makeup of a single molecule

molecular formula

Atoms will gain or lose enough electrons to become isoelectronic with a noble gas

octet rule

Which of the following compounds has the formula KNO

potassium nitrate

The formula of ammonium carbonate is

(NH4)2CO3

Predict the formula of the ionic compound that forms from aluminum and oxygen

Al2O3

What is the formula unit of aluminum oxide?

Al2O3

Predict the formula of the ionic compound that forms from calcium and fluorine

CaF2

Metals tend to ____ valence electrons and nonmetals tend to _____ them

Lose, gain

Which pair of elements is most likely to form an ionic compound?

Magnesium and chlorine

Predict the formula of the ionic compound that forms from magnesium and fluorine

MgF2

Predict the formula of the ionic compound that forms from magnesium and oxygen

MgO

What is the formula for sodium sulfate?

Na2SO4

What is the formula unit of sodium nitride

Na3N

Ionic compounds are normally in which physical state at room temperature?

Solid

The term that means dissolved in water

aqueous

Chromium and chlorine form an ionic compound whose formula is CrCl3. The name of this compound is __________.

chromium(III) chloride

A 3D, repeating pattern of + and - ions, formed by an ionic compound

crystal

a depiction of valence electrons around the symbol of an element

electron dot structure

Tendency for an atom to attract electrons when chemically bonded to another atom

electronegativity

A chemical formula that is arranged in the smallest whole number ratio

empirical formula

A transfer of electrons

ionic bonding

How does oxygen obey the octet rule when reacting to form compounds?

it gains electrons

What is the name of the ionic compound formed from lithium and bromine?

lithium bromide

The correct name for Mg(ClO3)2 is

magnesium chlorate


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