Chemistry chapter 6

Atomic mass

In the diagram above, 15.999 refers to the element's ____________. a. atomic mass. b. atomic number. c. atomic symbol. d. state of matter.

Metals

Which category of elements has the property of being malleable and ductile? a. gases b. metals c. metalloids d. nonmetals

Metalloids

Which category of elements is commonly used to make computer chips and solar cells due to their ability to conduct electricity only under certain conditions? a. metals b. metalloids c. nonmetals d. noble gases

B, Ag

Which element has an electron configuration that ends in the fourth energy level?

MnF3

Which is the correct formula for the compound manganese (III) fluoride? a. MnF b. Mn3F c. MnF3 d. Mn3F3

5

A compound has the formula X3Y. For every 15 X atoms present in this compound, how many Y atoms are there? a. 3 b. 5 c. 45 d. 15

Dmitri Mendeleev's

According to ____ periodic table, the physical and chemical properties of elements are periodic functions of their atomic weights. a. Dmitri Mendeleev's b. John Newlands' c. Henry Moseley's d. Lothar Meyer's

They have the same number of valence electrons.

Based on the figure below, what do the elements of a group (family) have in common? a. They have the same atomic number. b. They have the same atomic mass. c. They have the same number of protons. d. They have the same number of valence electrons.

These elements will not combine.

Based on the periodic table shown, elements from columns A and C will combine in which ratio? a. 1 A: 3 C b. 1 A:1C c. 3 A:1C d. These elements will not combine.

3B:2E

Based on the periodic table shown, elements from columns B and E will combine in which ratio? a. 2B:3E b. 3B:1E c. 3B:2E d. These elements will not combine.

1B:1F

Based on the periodic table shown, elements from columns B and F will combine in which ratio? a. 1B:2F b. 1B:1F c. 2B:3F d. These elements will not combine.

They all have the same number of valence electrons

Based on the table below, atoms of which element have the greatest number of valence electrons? a. lithium b. potassium c. They all have the same number of valence electrons. d. The table does not show numbers of valence electrons.

+3

Group 13 elements tend to acquire which charge when they form ions?

6

How many total electrons must be transferred to form one formula unit of the compound Al2O3? a. 2 b. 3 c. 6 d. 5

Period 3, Group 16

Identify the period and group numbers of the element with the electron configuration. [Ne]3s23p4 a. Period 2, Group 4 b. Period 3, Group 4 c. Period 3, Group 16 d. Period 2, Group 16

Atomic number.

In the diagram above, "8" refers to the element's ____________. a. atomic mass. b. atomic number. c. atomic symbol d. state of matter

Atomic symbol

In the diagram above, the "O" refers to the element's ___________. a. atomic mass. b. atomic number. c. atomic symbol. d. state of matter.

b S with dots

In the equation for the formation of magnesium sulfide shown, which atom gains electrons? a. A b. B c. C d. D

K, K+

In which pair is the one on the left larger than the one on the right? a. Na, Rb b. S, Mg c. Br, Br- d. K, K+

Mg3(PO4)2

What is the correct formula for the compound formed between magnesium and the phosphate ion? a. MgPO4 b. Mg3PO2 c. Mg3(PO4)2 d. MgP2O8

c. d

Which block contains 5 orbitals? a. s b. p c. d d. f

p

Which block is element Y most likely found in? y-Liquid at room temperature; has the highest electronegativity in its period a. s b. p c. d d. f

f-block

Which block on the periodic table contains the actinide series of elements? a. s-block b. p-block c. d-block d. f-block

They have the same number of valence electrons.

Which correctly describes elements in the same group?

General increase ---), general decrease straight down

Which diagram correctly depicts the general trend in first ionization energy?

General increase across the top (period), general decrease straight down (group)

Which diagram correctly depicts the trend in electronegativity?

A, sodium Na

Which element is the most metallic?

Alkaline Earth metals

Which group will have an electron configuration that ends in ns2? a. Alkali metals b. Alkaline Earth metals c. Halogens d. Actinides

Na+

Which ion is this atom most likely to form? a. Na+ b. Na- c. Ne- d. Mg+

Compounds containing ions with greater charges have higher bond strength

Which is a correct statement of bond strength? a. Compounds with smaller atoms have weaker bond strength. b. Compounds with a higher total number of atoms in the compound have greater bond strength. c. Compounds containing ions with greater charges have higher bond strength. d. Compounds with a more negative lattice energy have lower bond strength.

High melting point

Which is a physical property of ionic compounds in their solid state? a. good conductor of electricity b. weak attractive forces between ions c. low boiling point d. high melting point

High boiling points

Which is a property of substances that exhibit metallic bonding? a. high boiling points b. rigid and brittle c. low melting points d. poor conductors of electricity

technetium (Tc)

Which is a transition element with five d-block electrons in energy level 4? a. niobium (Nb) b. rhenium (Re) c. manganese (Mn) d. technetium (Tc)

Ionization energy

Which is defined as the energy required to remove an electron from an atom of an element in the gaseous state? a. ionization energy b. electronegativity c. ionic radius d. law of octets

Chemical bond

Which is described as the force holding two atoms together?

-2

Which is the charge that results when oxygen becomes an ion? a. +2 b. -3 c. +3 d. -2

Cr(NO3)2

Which is the correct formula for the compound chromium (II) nitrate? a. (Cr)2NO3 b. Cr2NO3 c. CrNO2 d. Cr(NO3)2

Be_3N_2

Which is the correct formula for the compound formed between beryllium and nitrogen? a. BeN b. Be3N c. Be3N2 d. Be2N3

X3Y2

Which is the correct formula for the ionic compound that results from these two atoms? a. X2Y5 b. X5Y2 c. X2Y3 d. X3Y2

Ammonium sulfate

Which is the correct name for the compound (NH4)2SO4? a. nitrogen hydrogen sulfate b. nitrogen hydrosulfate c. ammonium (II) sulfate d. ammonium sulfate

Calcium chlorite

Which is the correct name for the compound Ca(ClO2)2? a. calcium chloride b. calcium chloroxide c. calcium chlorite d. calcium chlorate

Cobalt (II) carbonate

Which is the correct name for the compound CoCO3? a. carbon oxygen carbonate b. cobalt (II) carbonate c. cobalt carbonate d. cobalt carbonoxide

Iron (II) sulfide

Which is the correct name for the compound FeS? a. iron sulfide b. iron (I) sulfide c. iron (II) sulfide d. iron (II) sulfide (II)

sodium phosphide

Which is the correct name for the compound Na3P? a. sodium phosphide b. sodium phosphite c. sodium phosphate d. sodium (III) phosphide

Mg3N2, MgO, MgCl2

Which is the correct order of bond strength, from greatest to least, for the compounds MgCl2, MgO, and Mg3N2? a. MgO, MgCl2, Mg3N2 b. Mg3N2, MgCl2, MgO c. MgCl2, MgO, Mg3N2 d. Mg3N2, MgO, MgCl2

Fourth

Which is the energy level that is being filled by electrons in the transition elements of period 5? a. third b. fourth c. fifth d. sixth

iodine (I)

Which is the halogen that is in Period 5? a. bromine (Br) b. strontium (Sr) c. iodine (I) d. xenon (Xe)

The number of valence electrons it contains

Which is the most important characteristic in determining an element's chemical properties? a. the number of protons and neutrons in its nucleus b. which period it is found in c. the number of valence electrons it contains d. its outermost energy level

They consist of atoms of only two elements

Which is true of binary ionic compounds?

Valence electrons are able to move easily among the metallic nuclei

Which is true of the model of bonding shown in this figure? a. Metallic atoms are present in a "sea" of negatively charged atoms. b. Valence electrons are able to move easily among the metallic nuclei. c. It results in the substance being very brittle and not easily deformed. d. Heat and electricity are easily carried by the cations from one region to another.

Germanium

Which metalloid is in the fourth period and the same group as Carbon? a. silicon b. germanium c. tin d. boron

Magnesium

Which of the following elements is a metal? a. boron b. nitrogen c. magnesium d. carbon

Ionization energy

Which property describes how much energy must be added to an atom to remove an outermost electron? a. atomic radius b. ionic radius c. electronegativity d ionization energy

C (it is in the middle)

Which region contains elements with an electron configuration that ends with p3?

B

Which region contains the alkaline earth metal family of elements? a. A b. B c. C d. D

The region to the left of noble gas (C)

Which region contains the halogen family of elements?

B, f block is on the bottom

Which region is referred to as the f-block on the diagram?

Newlands

Which scientist characterized the "law of octaves"?

Lavoisier

Which scientist classified elements into four categories: gases, metals, nonmetals, and earths? a. Mendeleev b. Lavoisier c. Newlands d. Moseley

Moseley

Which scientist first arranged elements by atomic number? a. Mendeleev b. Lavoisier c. Newlands d. Moseley