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ECM, Periodic Table, Bonds, Chemical Formulas, Chemical Equation

Total questions: 60

Worksheet time: 2hrs 6mins

Name
Class
Date
1.

Columns on the periodic table are called...

a)

periods

b)

families

c)

metals

d)

metalloids

2.

Columns on the periodic table are called...

a)

periods

b)

groups

c)

metals

d)

metalloids

3.

Rows on the periodic table are called...

a)

periods

b)

groups

c)

metals

d)

nonmetals

4.

The highlighted section shown in the picture represents...

a)

metals

b)

nonmetals

c)

metalloids

5.

What type of elements are shown in red in picture?

a)

metals

b)

nonmetals

c)

metalloids

6.

Hydrogen and elements on the right side of the periodic table are...

a)

metals

b)

nonmetals

c)

metalloids

7.

As you move across the periodic table...

a)

atomic numbers decrease

b)

atomic numbers stay the same

c)

atomic numbers increase

d)

atomic numbers do not follow a pattern

8.

Which elements would have similar properties to Argon?

a)

Xenon, Krypton, and Neon

b)

Chlorine, Sulfur, Aluminum

c)

Phosphorus, Fluorine, Iodine

9.

Elements in the same group... (check all that apply)

a)

similar properties

b)

the same number of energy levels

c)

the same number of valence electrons

10.

A bond where electrons are transferred is a(n)...

a)

ionic bond

b)

covalent bond

11.

A bond where electrons are shared is a(n)...

a)

ionic bond

b)

covalent bond

12.

A bond where electrons are shared is a(n)...

a)

ionic bond

b)

metallic bond

13.

A bond between two nonmetals is a(n)...

a)

ionic bond

b)

covalent bond

14.

A bond between a metal and a nonmetal is a(n)...

a)

ionic bond

b)

covalent bond

15.

A bond between a metal and a metal is a(n)...

a)

metallic bond

b)

covalent bond

16.

Which subatomic particle is involved in bonding?

a)

protons

b)

neutrons

c)

electrons

17.

The bond shown in the pictures is a(n)...

a)

ionic bond

b)

covalent bond

18.

The bond shown in the pictures is a(n)...

a)

ionic bond

b)

covalent bond

19.

A compound with the formula NaCl forms from a(n)...

a)

ionic bond

b)

covalent bond

20.

A compound with the formula NH4 forms from a(n)...

a)

ionic bond

b)

covalent bond

21.

The picture represents a(n)...

a)

element

b)

compound

c)

homogeneous mixture

d)

heterogeneous mixture

22.

The picture represents a(n)...

a)

element

b)

compound

c)

homogeneous mixture

d)

heterogeneous mixture

23.

The picture represents a(n)...

a)

element

b)

compound

c)

homogeneous mixture

d)

heterogeneous mixture

24.

The picture represents a(n)...

a)

element

b)

compound

c)

homogeneous mixture

d)

heterogeneous mixture

25.

What is the difference between a pure substance and a mixture?

a)

pure substances cannot be broken down by physical means and mixtures can be

b)

Mixtures can only be broken down by chemical means

c)

Pure substances are smaller than mixtures

26.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
27.
How many atoms of carbon (C) are in C6H12O6?
a)
3
b)
6
c)
12
d)
24
28.
Element or compound?
H2O
a)
element
b)
compound
29.
Which of the following is a compound?
a)
Co
b)
O2
c)
C
d)
CO2
30.
Which is the correct formula for:
 three hydrogen (H)
one sulfur (S)
four oxygen (O)
a)
H3SO4
b)
HSO4
c)
H4S3O
d)
H2O
31.
The red numbers in the image below represent ________
a)
subscripts
b)
coefficients
c)

products

d)

reactants

32.
The blue numbers in the image below represent ________
a)

products

b)
coefficients
c)
subscripts
d)

reactants

33.
How many atoms are there TOTAL in:
H2SO4
a)
6
b)
5
c)
7
d)
3
34.
How many Sodium (Na) are in 6NaCl?
a)
1
b)
12
c)
6
35.
The blue atoms are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
36.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
37.
The substances at the beginning of a chemical equation are called the ____
a)
product
b)
yield
c)
chemical symbol
d)
reactants
38.
In this image, the symbols to the right of the arrow (in black) are called the_______.
a)
Products
b)
Reactants
c)
Subscripts
d)
Coefficients
39.
Na + MgF2 -->  NaF + Mg
What are the reactants?
a)
Na + MgF2
b)
Na
c)
NaF + Mg
d)
NaF
40.
NH3 ---> N2 + H2
What are the products?
a)
N2 + H2
b)
N2
c)
H2
d)
NH3
41.
What does the Law of Conservation of Mass state?
a)
Matter cannot be gained or lost in a chemical reaction.
b)
Matter can only be lost in a chemical reaction.
c)
Matter can only be gained in a chemical reaction.
d)
Matter can be gained and lost in a chemical reaction. 
42.
How many Hydrogen are in 4H2O?
a)
6
b)
8
c)
2
d)
4
43.
Is the following equation balanced?...
Al + O2 --> 2Al2O3
a)
Yes!
b)
No!
44.
Is the following equation balanced?
4Fe + 3O2 --> 2Fe2O3
a)
yes
b)
no
45.
How many HCl molecules do you need to balance this equation? 
Mg +  __HCl --->  MgCl2 + H2
a)
1
b)
2
c)
3
d)
4
46.
Balance this equation:
 2Li + Cl2 -> LiCl
a)
2Li + Cl2 -> 4LiCl2
b)
2Li + Cl2 -> LiCl2
c)
2Li + Cl2 -> 2LiCl
47.

Identify the Reactants in this equation.

a)

A

b)

B

48.

What are the blue numbers called?

a)

oxidation numbers

b)

subscripts

c)

group numbers

d)

product numbers

49.
How many Aluminum are in Al2O3?
a)
3
b)
2
c)
5
50.

Which compound has 5 TOTAL ATOMS?

a)
Methane (CH4)
b)

Oxygen (O2)

c)
Carbon dioxide (CO2)
51.

Which compound has 4 TOTAL ATOMS?

a)

Water (H2O)

b)

Ammonia (NH3)

c)

Carbon dioxide (CO2)

52.

Is this equation balanced?

a)

Yes

b)

No

53.

Is this equation balanced?

a)

Yes

b)

No

54.

In the equation shown, what are the product(s)?

a)

N2 + H2

b)

NH3

55.

In the equation shown, what are the reactant(s)?

a)

N2 + H2

b)

NH3

56.

Is this equation balanced?

a)

Yes

b)

No

57.

To balance an equation you should:

a)

ONLY change subscripts.

b)

ONLY change coefficients.

c)

Change BOTH subscripts and coefficients.

58.

Which reactant is missing from the equation shown?

(What should go in the place of the "X"?)

a)

One hydrogen atom.

b)

Three hydrogen atoms.

c)

Four oxygen atoms.

59.
How many TOTAL atoms are on the REACTANT side of this equation?
CH4 + 2O2 → CO2 + 2H2O 
a)
5
b)
7
c)
9
d)
11
60.
In chemical reactions, what does the principle of conservation of mass mean?
a)
Matter is not created or destroyed.
b)
The total mass of the reactants is greater than the total mass of the products.
c)
The total mass of the reactants is less than the total mass of the products.
d)
Matter is not changed.

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