Chemical Formulas And Chemical Equations

Question 1

What are the chemical formulae for
Hydrogen chloride
Water
Methane
Carbon dioxide
Hydrogen peroxide

Answer 1

Hydrogen chloride - HCl (lower case L)
Water - H²O
Carbon dioxide - CO²
Hydrogen peroxide - H²O²
Methane - CH4 (H to the power of 4)

Question 2

What is the chemical formula of sodium chloride?

Answer 2

NaCl

Question 3

What is the chemical formula of magnesium oxide?

Answer 3

MgO

Question 4

What is the chemical formula of iron sulfide?

Answer 4

FeS

Question 5

What is the chemical formula of calcium chloride?

Answer 5

CaCl2 (l squared)

Question 6

What is the chemical formula of copper sulfate?

Answer 6

CuSO4 (O to the power of 4)

Question 7

What is the chemical formula of calcium carbonate?

Answer 7

CaCO3 (O cubed)

Question 8

What is the chemical formula of manganese dioxide?

Answer 8

MnO2 (O squared)

Question 9

What is the chemical formula of sodium hydroxide?

Answer 9

NaOH

Question 10

What is the chemical formula of calcium hydroxide?

Answer 10

Ca(OH)2 (OH squared)

Question 11

What is a balanced equation?

Answer 11

An auction in which the total number of atoms of each element on the left hand side is equal to the total number of atoms on the right hand side

Question 12

What is the balanced equation for magnesium oxide?

Answer 12

2Mg + O2 (O squared) = 2MgO