Quiz about Molecular Compounds

Question 1

carbon monoxide

Accepted Answer

CO

Answer

CO2

Answer

C2O

Answer

COH

Question 2

phosphorus trichloride

Accepted Answer

PCl3

Answer

KCl3

Answer

K3Cl

Answer

P3Cl

Question 3

diphosphorus pentoxide

Accepted Answer

P2O5

Answer

PO5

Answer

P5O2

Answer

P2O6

Question 4

What is the correct name for NO?

Accepted Answer

Nitrogen Monoxide

Answer

Mononitrogen Monoxide

Answer

Mononitrogen Dioxide

Answer

Nitrogen Oxide

Question 5

What is the name of PBr₃

Accepted Answer

phosphorus tribromide

Answer

phosphorus bromide

Answer

phosphorus (III) bromide

Answer

phosphorus bromine

Question 6

A covalent bond exists between

Accepted Answer

2 nonmetals

Answer

2 metals

Answer

1 metal and 1 nonmetal

Answer

Any 2 elements

Question 7

A neutral group of atoms held together by covalent bonds is a

Accepted Answer

molecule

Answer

molecular formula

Answer

chemical formula

Answer

monoatomic ion

Question 8

What are shared in a covalent bond?

Accepted Answer

electrons

Answer

ions

Answer

Lewis structures

Answer

dipoles

Question 9

Compared to ionic compounds, molecular compounds generally have...

Accepted Answer

a low boiling point

Answer

good conductivity

Answer

greater densities

Answer

more chemical bonds

Question 10

In the compound N₂O, what does the subscript 2 indicate?

Accepted Answer

There are 2 nitrogen atoms for each atom of oxygen

Answer

There are 2 sodium atoms for each atom of oxygen

Answer

There are 2 oxygen atoms for each atom of nitrogen

Answer

Nitrogen atoms are twice a large as oxygen

Question 11

Which pair of atoms is most likely to form a covalent molecule?

Accepted Answer

Phosphorus and sulfur

Answer

Hydrogen and lithium

Answer

Helium and neon

Answer

Zinc and Boron

Question 12

Prefixes are used only for _______________ compounds

Accepted Answer

covalent

Answer

Ionic

Question 13

Which following is a molecular compound?

Accepted Answer

SO2

Answer

K2O

Answer

CaO

Answer

BeO

Question 14

What is the formula for Hexaboron Monosilicide

Accepted Answer

B6Si

Answer

BSi

Answer

BSi6

Answer

B6Si6

Question 15

What's the formula for chlorine dioxide

Accepted Answer

ClO2

Answer

CLO

Answer

ClO3

Answer

HClO2

Question 16

In a chemical formula, the overall charge of the compound must equal _____.

Accepted Answer

0

Answer

1

Answer

2

Question 17

A covalent bond is:

Accepted Answer

A bond formed by the sharing of electrons between atoms.

Answer

A bond formed by the transfer of electrons from one atom to another.

Answer

A bond formed by the attraction between oppositely charged ions.

Answer

A bond formed by the sharing of protons between atoms.

Question 18

A covalent bond is a chemical bond where two atoms share__________.

Accepted Answer

valence electrons

Answer

protons

Answer

neutrons

Answer

the same group on the periodic table

Question 19

A molecule that has a partial positive end and a partial negative end because of unequal sharing of electrons is a _______________.

Accepted Answer

polar molecule

Answer

nonpolar molecule

Answer

ionic compound

Answer

metalic compound

Question 20

Phosphorus has an electronegativity value of 2.1. Chlorine's electronegativity value is 3.0. What type of bond will these two elements form?

Accepted Answer

polar covalent

Answer

ionic

Answer

nonpolar covalent

Answer

metallic

Question 21

Electronegativity is a measurement of the ability of a nucleus to:

Accepted Answer

attract bonding electrons

Answer

attract other nuclei

Answer

attract electrons in the non-valence energy levels

Question 22

Water, H₂O, is classified as what type of molecule?

Accepted Answer

a polar molecule

Answer

a nonpolar molecule

Answer

a coordinate covalent compound

Answer

an ionic compound

Question 23

What is the measure of the tendency of an atom to attract bonding electrons called?

Accepted Answer

electronegativity

Answer

ionization energy

Answer

electron charisma

Answer

dipole momentum

Question 24

Electronegativity increases from left to right on the periodic table because there are ___

Accepted Answer

more protons in the atoms

Answer

fewer protons in the atoms

Answer

fewer electron shells

Answer

more electron shells

Question 25

What is true about a polar molecule?

Accepted Answer

The atoms share electrons UNEQUALLY.

Answer

The atoms give away valence electrons.

Answer

The atoms share the electrons EQUALLY.

Answer

The atoms are all noble gases.

Question 26

Whether it's a covalent molecule or ionic compound all the atoms usually want...

Accepted Answer

8 valence electrons

=

Answer

More protons

Answer

To have a neutral charge

Answer

To be like hydrogen

Question 27

In a non-polar covalent bond there is a(n)

Accepted Answer

equal sharing of electrons

Answer

unequal sharing of electrons

Answer

different distribution of electrons

Answer

presence of hydrogen bonding

Question 28

What are intermolecular forces?

Accepted Answer

Forces of attraction or repulsion between neighboring particles.

Answer

Forces that are not affected by distance between particles

Answer

Forces between particles within the same molecule

Answer

Forces that exist only in solids

Question 29

How do London forces arise?

Accepted Answer

Temporary dipoles caused by electron distribution around atoms

Answer

Covalent bonds between atoms

Answer

Permanent dipole moments in molecules

Answer

Ionic bonding between atoms

Question 30

The weaker the intermolecular forces of a substance the _____________ the boiling point

Accepted Answer

lower

Answer

higher

Question 31

Which chemical bond is formed when electrons are shared?

Accepted Answer

Covalent

Answer

Hydrogen

Answer

Ionic

Answer

Magnetic

Question 32

What causes dipole interactions?

Accepted Answer

Attraction between polar molecules

Answer

Attraction between ions

Answer

Bonding of a covalently bonded hydrogen to an unshared electron pair

Answer

Motion of electrons

Question 33

Which force is responsible for keeping matter in solid or liquid phase?

Accepted Answer

Intermolecular Forces

Answer

Intramolecular Forces

Answer

Hydrogen Forces

Answer

Combustion Force

Question 34

________________________ have the strongest intermolecular forces of attraction.

Accepted Answer

Hydrogen Bonds

Answer

Dipole- Dipole

Answer

Dispersion

Question 35

Rank these in order of strength:
covalent bond
London forces
hydrogen bond
dipole-dipole attraction

Accepted Answer

covalent bond>hydrogen bond>dipole-dipole>London

Answer

dipole-dipole>covalent bond>hydrogen bond>London

Answer

London>dipole-diple>hydrogen bond>covalent bond

Answer

hydrogen bond>dipole-dipole>London>covalent bond

Question 36

Which is NOT an intramolecular force?

Accepted Answer

London Dispersion Force

Answer

Polar Covalent Bond

Answer

Nonpolar Covalent Bond

Answer

Ionic Bond

Question 37

Which has the strongest forces between particles (usually)?

Accepted Answer

ionic bonding

Answer

metallic bonding

Answer

covalent bonding

Question 38

Which occurs between metal and non-metals?

Accepted Answer

ionic bonding

Answer

metallic bonding

Answer

covalent bonding

Question 39

Which of the following types of bonding results in materials which are generally insoluble in water?

Accepted Answer

covalent bonding

Answer

ionic bonding

Answer

metallic bonding

Question 40

Which of the following types of bonding results in materials which have the highest melting and boiling points?

Accepted Answer

ionic bonding

Answer

metallic bonding

Answer

covalent bonding

Question 41

Which of the following is an intramolecular force?

Accepted Answer

covalent bonding

Answer

hydrogen bonding

Question 42

All atoms/elements bond in order to ....

Accepted Answer

Have a full valence shell

Answer

Give away electrons or take electrons

Answer

Only share electrons

Answer

To create electrical currents for human use

Question 43

Which is NOT an intramolecular force?

Accepted Answer

London Dispersion Force

Answer

Polar Covalent Bond

Answer

Nonpolar Covalent Bond

Answer

Ionic Bond

Question 44

If two identical atoms bond covalently, the bond is:

Accepted Answer

a nonpolar covalent bond

Answer

a coordinate covalent bond

Answer

a dipole covalent bond

Answer

a polar covalent bond

Question 45

If the difference in electronegativity between two bonding atoms is less than 1.7 but greater than .03 the bond is

Accepted Answer

polar covalent

Answer

ionic

Answer

metallic

Answer

nonpolar covalent

Question 46

How many valence electrons does an atom of any halogen have?

Accepted Answer

7

Answer

1

Answer

2

Answer

4

Molecular Compounds

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