Counting Atoms

Question 1

What are the atoms in the molecule: C2H4O2?

Accepted Answer

Carbon, Hydrogen, Oxygen

Question 2

How many Magnesium (Mg) atoms are in Mg(OH)2?

Accepted Answer

1

Question 3

Molecules are formed when _________ elements come together.

Accepted Answer

2 or more

Question 4

How many sulfer (S) atoms in 2FeS2

Accepted Answer

4

Question 5

True or False: The presence of heat is an indicator of a chemical reaction?

Accepted Answer

True

Question 6

How may oxygen (O) atoms are there in C2H4O2

Accepted Answer

2

Question 7

How many elements are in the molecule: CaCO3

Accepted Answer

3

Question 8

True or False: A chemical reaction destroys matter?

Accepted Answer

False

Question 9

How many Carbon (C) atoms in C7H5(NO2)3

Accepted Answer

7

Question 10

True or False: Compounds in physical changes can be separated after combining them?

Accepted Answer

True

Question 11

True or False: In a chemical reaction matter is not destroyed?

Accepted Answer

True

Question 12

How may Hydrgoen atoms in 3H20

Accepted Answer

6

Question 13

How many Oxygen (O) atoms are in CaCO3?

Accepted Answer

3

Question 14

Water changing from solid to liquid to gas is an example of a______________.

Accepted Answer

Physical Change

Question 15

What is the 2 in H20 called?

Accepted Answer

Subscript

Question 16

How many Oxygen (O) atoms in 6(H2O)

Accepted Answer

6

Question 17

How many Calcium (Ca) atoms are in CaCO3?

Accepted Answer

1

Question 18

How many Oxygen Atoms are in 5(CaCO3)

Accepted Answer

15

Question 19

How many Phosphorous (P) atoms are in Ca(H2PO4)2

Accepted Answer

2

Question 20

This section of Chemistry is ________________?

Accepted Answer

all of those listed

Questions 20