Quiz about chemistry review

Question 1

How many molecules are present in the following compound:

$$8CH_4$$

Accepted Answer

8

Answer

12

Answer

32

Answer

40

Question 2

Which of the following compounds are considered organic?

Accepted Answer

CHO

Answer

CO

Answer

KCl

Answer

H

Question 3

How many oxygen atoms are on the reactants side of the following equation?

Accepted Answer

8

Answer

2

Answer

6

Answer

9

Question 4

What is the name of the following compound: HCl

Accepted Answer

Hydrogen Chloride

Answer

Hydrogen Chlorine

Answer

Hydrogen and Chlorine

Answer

Hydrogen Carbon Iodine

Question 5

How many elements are in this equation?

Accepted Answer

3

Answer

8

Answer

4

Answer

2

Question 6

Name this element

Accepted Answer

Boron

Answer

Vanadium

Answer

Phosphorus

Answer

Lithium

Question 7

How many atoms of chlorine are in the compound Hydrogen Tetrachloride?

Accepted Answer

4

Answer

3

Answer

2

Answer

0

Question 8

Which of the following equations are balanced?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

none are balanced

Question 9

The concept behind the Octet Rule is:

Accepted Answer

elements bond to fill their outer shell to 8 valence electrons to become more stable.

Answer

all elements have 8 valence electrons

Answer

metals have the most valence electrons

Answer

the first energy level can hold 8 electrons

Question 10

How many valence electrons does Magnesium have?

Accepted Answer

2

Answer

24

Answer

3

Answer

12

Question 11

Locate Fluorine on the periodic table. How many neutrons does Fluorine have?

Accepted Answer

10

Answer

9

Answer

19

Answer

2

Question 12

The element Neon can be identified on the periodic table as

Accepted Answer

noble gas

Answer

metal

Answer

non-metal

Answer

acid

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