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Chemistry Test

Total questions: 67

Worksheet time: 46mins

Name
Class
Date
1.

What is the oxidation number of Nitrogen in N2O3?

a)

0

b)

+1

c)

-3

d)

+3

2.

Ca+2 is an ion. What is it's oxidation number?

a)

-2

b)

0

c)

+2

d)

+4

3.

Cations are _________________ and anions are _______________

a)

metals, nonmetals

b)

nonmetals, metals

4.

Anions are

a)

Negative ions

b)

Neutral ions

c)

Positive ions

5.

Cations are

a)

negative ions

b)

neutral electrons

c)

positive ions

6.

When an atom loses a valence electron, it becomes a(n) _____________ ion.

a)

positive

b)

negative

c)

neutral

7.

An atom becomes _________ when it gains electrons.

a)

Positive

b)

Negative

c)

Neutral

8.

How many valence electrons does Oxygen (O) contain?

a)

6

b)

5

c)

8

d)

2

9.

Which of the following ions have a NO charge?

a)

Helium (He)

b)

Neon (Ne)

c)

Fluorine (F)

d)

Sulfur (S)

10.

Which of the following ions have a +3 charge?

a)

Boron (B)

b)

Aluminum (Al)

c)

Calcium (Ca)

d)

Lithium (Li)

11.

Which of the following ions have a -3 charge?

a)

Nitrogen (N)

b)

Aluminum (Al)

c)

Phosphorous (P)

d)

Sulfur (S)

12.

How many valence electrons are needed to fulfill the octet rule?

a)

2

b)

4

c)

6

d)

8

13.

Which of the following ions have a -2 charge?

a)

Oxygen (O)

b)

Magnesium (Mg)

c)

Fluorine (F)

d)

Sulfur (S)

14.

How many valence electrons do Group 2 atoms have?

a)

1

b)

2

c)

3

d)

4

15.

Valence Electrons of Silicon

a)

1

b)

2

c)

3

d)

4

16.

How many valence electrons do the boron group elements have?

a)

1

b)

2

c)

3

d)

4

17.

How many valence electrons do the alkaline earth metals have?

a)

1

b)

2

c)

3

d)

4

18.

How many valence electrons do the alkali metals have?

a)

1

b)

2

c)

3

d)

4

19.

How many valence electrons do the noble gases have?

a)

5

b)

6

c)

7

d)

8

20.

what is the oxidation number for the alkali metals?

a)

+1

b)

+2

c)

+3

d)

+4

21.

what is the oxidation number for the alkaline earth metals?

a)

+1

b)

+2

c)

+3

d)

+4

22.

what is the oxidation number for the carbon group elements?

a)

+/- 5

b)

+/- 3

c)

+/- 4

d)

+/- 8

23.

Match the following

a)

an expression that identifies the types and #s of elements present in a compound

1.

chemical formula

b)

a strong force of attraction that holds the atoms of a compound together

2.

chemical bond

c)

an atom or group of atoms that has a charge

3.

ion

d)

a molecule made of 2 atoms of the same element

4.

diatomic molecule

e)

molecule with an equal charge distribution

5.

nonpolar molecule

24.

Match the following

a)

a molecule with a balanced charge that is not equally distributed

1.

polar bond

b)

type of bond in which valence electrons are shared between atoms

2.

covalent bond

c)

force of attraction between oppositely charged ions

3.

ionic bond

d)

group of atoms that are covalently bound and have a charge, CN-

4.

polyatomic ion

25.

Covalent bonds develop when electrons are shared between two nonmetals.

a)

True

b)

False

26.

Name the following covalent molecule:

N2O5

a)

dinitrogen pentoxide

b)

binitride pentoxygen

c)

mononitrogen trioxide

d)

nitrogen monoxide

27.

What is the molecular formula for tricarbon hexahydride?

a)

CH

b)

C3H6

c)

CH2

d)

CHOO

28.

Which group of elements is least likely to react with other elements?

a)

Noble Gases

b)

Metalloids

c)

Inner transition metals

d)

alkali metals

29.

Determine if compound is ionic or covalent

CaCl

a)

ionic

b)

covalent

30.

Determine if compound is ionic or covalent

SO

a)

ionic

b)

covalent

31.

What is the name of P2H4?

(a)  

32.
What elements generally make an ionic bond?
a)
metal and nonmetal
b)
2 or more nonmetals
c)
metal
d)
none of the above
33.
What's the name of the compound NH4NO3 ?
a)
nitrogen hydrogen oxygen
b)
ammonium nitrite
c)
nitrogenous water
d)
ammonium nitrate
34.
OH-
a)
hydronium
b)
hydroxide
35.
NH4+
a)
nitrogen hydride
b)
ammonium
36.

What is the name of the compound LiCl?

a)

Lithium Chlorine

b)

Lithiide Chloride

c)

Lithiide Chlorine

d)

Lithium Chloride

37.

What is the name of the following compound: K2SO4

a)

potassium sulfur

b)

potassium sulfate

c)

potassium(I) sulfate

d)

potassium(II) sulfide

38.
What is the correct name for MgI₂?
a)
Manganese IV iodide
b)
Manganese diiodide
c)
Magnesium iodide
d)
Magnesium diiodide
39.
AgF
a)
silver fluoride
b)
silver fluorine
c)
monosilver monofluoride
d)
silver monofluorine
40.

Which two elements would NOT form an ionic bond?

a)

calcium and lithium

b)

calcium and oxygen

c)

lithium and oxygen

d)

calcium and carbon

41.
What formula results when Ca+2  and  Br- ions bond?
a)
Ca2Br2
b)
CaBr
c)
Ca(br)2
d)
CaBr2
42.
How do the following two elements bond together?
Na1+  F1-         
a)
NaF
b)
NaF3
c)
Na3F
d)
Na1F2
43.
When metals bond with non-metals they form what type of bonds
a)
covalent
b)
ionic
c)
cooperative
d)
lewis
44.
If I gain electrons I become
a)
Positive because I've added to my atom
b)
negative because I've added electrons
c)
same because i'm balanced
d)
equal because now I have electrons
45.

When dissolved in water, the solution is a good conductor of electricity.

a)

ionic compounds

b)

molecular compounds

46.

If an aluminum atom has 13 protons (+) and 10 electrons (-), what is it's charge?

a)

Al3-

b)

Al3+

c)

Al2-

d)

Al10+

47.

Which of the following occurs in an ionic bond?

a)

Oppositely charged ions attract.

b)

Two atoms share more than two electrons.

c)

Two atoms share two electrons.

d)

Like-charged ions attract.

48.

What is the formula of calcium phosphate, which is made up of the ions Ca2+ and PO43–?

a)

Ca6PO4

b)

Ca2(PO4)3

c)

Ca3(PO4)2

d)

Ca3PO4

49.

What is the formula for Iron (III) Oxide

a)

Fe6O

b)

Fe3O2

c)

Fe2O3

d)

FeO

50.

What charge does a metal form when it loses electrons?

a)

They become positive

b)

They become negative

c)

They become neutral

d)

They become variable

51.

When naming a transition metal ion that can have more than one charge, what indicates the charge?

a)

Suffix

b)

Prefix

c)

superscript after the name

d)

Roman numeral following the name

52.

What are chemical bonds?

a)

The glue that holds atoms together

b)

The separation of metal and nonmetal atoms

c)

The connection between two metals

d)

The connection between two nonmetals

53.
Covalent compounds
a)
Share electrons
b)
transfer electrons
c)
contain a sea of electrons
d)
conduct electricity
54.

In a double covalent bond, 2 atoms share

a)

2 electrons (Single bond)

b)

4 electrons (double bond)

c)

6 electrons (Triple bond)

d)

Coordinate covalent bond

55.

Why do atoms share electrons in covalent bonds?

a)

to acquire a full valence shell (octet)

b)

to become ions and attract each other

c)

to become more polar

d)

to increase their atomic number

56.

What is the goal of each element?

a)

To have the outermost shell/energy level full

b)

To form compounds with noble gases

c)

To gain stability by losing electrons

d)

To attract electrons to the nucleus

57.

What is the formula for nonafluorine monochloride?

a)

F9Cl

b)

FCl9

c)

F9Cl9

d)

N9Cl

58.

What is the correct molecular formula for tetraphosphorous decaoxide is:

a)

PO

b)

P4O4

c)

P4O10

d)

P10O4

59.

The properties of a compound are _________ the properties of the elements that form it.

a)

similar to

b)

different from

c)

identical to

d)

derived from

60.

Which of the following is the reason why atoms of sodium and chlorine attract each other in a salt crystal?

a)

Sodium has a positive charge and chlorine has a negative charge

b)

Sodium has a negative charge and chlorine has a positive charge

c)

Both have a positive charge

d)

Both have a negative charge

61.

Which of the following is a similarity between ionic and covalent bonds?

a)

Both include the gaining and losing of electrons

b)

Both include the sharing of electrons

c)

Both make the elements more stable

d)

Both are typically found as solids at room temperature

62.
An atom that has gained or lost electrons is called ...
a)
a winner
b)
an isotope
c)
an ion
d)
a loser
63.
Where are metals located on the periodic table?
a)
Blue
b)
Green
c)
Red
64.
Where are the nonmetals located on the periodic table? 
a)
Blue
b)
Red
c)
Green
65.

Match the polyatomic molecules

a)

1.

sulfate

b)

2.

sulfite

c)

3.

Cyanide

d)

4.

phosphate

e)

5.

acetate

66.

The Average Atomic Mass is

a)

Protons + Neutrons

b)

Average of isotopes

c)

Always accurate

d)

Masses

67.

ionic bonds

a)

metal and nonmetals

b)

metals and poly atomics

c)

transitional and polyatomic

d)

Metal and Noble gases

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