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Ionic/Metallic and Covalent Compounds Corrections

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

The following atom is which of the below?  Se -2


a)

It is a covalent created from a nonmetal atom.

b)

It is a cation created from a metal atom.

c)

It is an anion created from a nonmetal atom.

2.

Which of the following is true?

a)

Dimagnesium heptafluoride has two magnesium atoms and seven fluorine atoms.

b)

Dimagnesium heptafluoride has two magnesium atoms and six fluorine atoms.

c)

Dimagnesium heptafluoride has six magnesium atoms and two fluorine atoms.

3.

Which of the following answer choices is the best explanation choice based on the image of METAL atoms above? 

a)

Since the ions created from nonmetals bonding are so close together, the valence electrons are able to move from ion to ion quickly forming the characteristic property of strong conductivity.

b)

Since the anions created from nonmetal atoms bonding are so close together, the valence electrons are able to move from ion to ion quickly forming the characteristic property of strong conductivity.

c)

Since the cations created from metal atoms bonding are so close together, the valence electrons are able to move from ion to ion quickly forming the characteristic property of strong conductivity.

4.

Which of the following is the correct form for the chemical formula for Dinitrogen trioxide?

 

a)
N3O2
b)
NO2
c)
N2O3
5.

What is the type of bond is illustrated by the molecule NaCl?

a)
Ionic bond
b)
Covalent bond
c)
Metallic bond
6.

Which of the following is true about covalent compounds?

a)
Covalent compounds are formed by transferring electrons between atoms.
b)
Covalent compounds have high electrical conductivity.
c)
Covalent compounds are always solid at room temperature.
d)
Covalent compounds are formed by sharing of electrons between atoms.
7.

Which is the correct choice for an ion created from an Indium atom?  (Group 13)

a)
In+3
b)
In-2
c)
In-4
8.

Which of the following is the name of this compound:  Be8F4?

a)

OctoBeryllium tetrafluoride

b)
Beryllium fluorine
c)
Tetrafluoroberyllium
d)
Beryllium fluoride
9.

In a covalent bond, the valence electrons are always

a)
Transferred
b)
Lost
c)
Gained
d)
Shared
10.

What is the correct formula for an ionic compound of Aluminum and Iodine?


a)

AlI3

(one AL and 3 I)

b)

AlI2

(One AL and 2 I)

c)

AlI

(One Al and one I)

11.

Which of the following is a characteristic property of an ionic compound?

Group of answer choices


a)
Low melting and boiling points
b)

brittle

c)
Formation of covalent bonds
12.

The charge on an ionic compound must always be ___________.

a)
positive
b)
negative
c)
balanced or neutral
13.

How many oxygen atoms are contained in the compound Disodium tetraoxide?

a)
4
b)
8
c)
6
14.

Which of the following is the best description of the molecule above? 

a)

The illustration shows two nonmetal atoms of the same element joined by a covalent bond to form a diatomic molecule.

b)

The illustration shows two nonmetal atoms of the same element joined by a metallic bond to form a polyatomic molecule.

c)

The illustration shows a metal and nonmetal atoms of different element joined by a ionic bond to form a single displacement molecule.

15.

The ion created by a chlorine atom is which of the following?


a)
Chlorine dioxide ion (ClO2-)
b)
Chlorine ion (Cl+)
c)
Chloride ion (Cl-)
16.

What do the following compounds have in common?
NaCl       KCl         MgF2 


a)
They are all covalent compounds.
b)
They are all metallic compounds.
c)
They are all ionic compounds.
17.

Which of the following is the best explanation of the illustration above?  (Image shows Hydrogen and Chlorine bonding together.)

a)
Hydrogen and chlorine forming a physical mixture
b)
Hydrogen and chlorine repelling each other
c)
Covalent bond formation between hydrogen and chlorine
d)
Ionic bond formation between hydrogen and chlorine
18.

What are the only particles of the atom that are involved in chemical bonding? 

a)
protons
b)
neutrons
c)

Valence electrons

19.

Of the answer choices below, which one is the best choice for the type of bond illustrated in the diagram above?

a)
Covalent bond
b)
Ionic bond
c)
Metallic bond
d)
Hydrogen bond
20.

Which of the following is true about F2?

a)

F2 is a cation

b)

F2 is a ion.

c)
F2 is a diatomic molecule.
21.

Which of the following names is correct for SO4? 

a)
sulfuric acid
b)
sulfur dioxide
c)

sulfer tetraoxide

22.

Which of the following is true about the ion for magnesium?

a)

Magnesium will lose two valence electrons to have a +2 charge for the cation.

b)

Magnesium will gain two valence electrons to have a -2 charge for the anion.

c)

Magnesium will gain two valence electrons to have a +2 charge for the cation.

23.

A bond is formed when an electron is transferred from a sodium atom to a chlorine atom. What happens to the sodium atom during this process?

a)
The sodium atom loses one electron and forms a positively charged ion.
b)
The sodium atom gains one electron and forms a negatively charged ion.
c)
The sodium atom loses one electron and forms a negatively charged ion.
24.

Which of the following is true?


a)

A Dialuminum trioxide molecule will be a good conductor and dissolve easily in water, but is not malleable

b)

All ionic compounds are good conductors of electricity, insoluble, and malleable with high melting points.

c)

All molecules that are made of nonmetal atoms form cations and anions that cancel each other to have an overall neutral charge for the molecule.

25.

Which of the choices below is the best answer for the following question:  How does an ionic bond form a compound?


a)
By sharing protons between atoms
b)

bonds between two metal atoms

c)

By the transfer of electrons from one atom to another, and then By the attraction of opposite charges on the ions