S1-Q3- Ch2 intro chemical formula

What is the chemical formula of Magnesium chloride?

• MgCl

• MgCl₂

• MgC

• MgC_2

Tags

NGSS.MS-PS1-1

What is the chemical formula of sodium sulfate?

• SSO₄

• SoSO₄

• NaSO₄

• Na₂SO₄

What is the formula of Copper (II) oxide?

• CUO

• CuO

• CuO₂

• Cu₂O

What is the formula of nitric acid?

• H₂SO₄

• HNO₃

• HCl

• hno₃

Which of the following compound is not an acid?

• HCl

• H₂SO₄

• HNO₃

• CH₄

What is the name of ion that is present in all acids?

• hydrogen ion

• hydroxide ion

• nitrate ion

• sulfate ion

How many atoms are there in the compound MgCO₃?

• 3

• 4

• 5

• 6

Tags

NGSS.MS-PS1-1

How many carbon atoms (C) are in a CO₂ molecule?

• 1
• 2
• 3
• 0

Tags

NGSS.MS-PS1-1

Alanine is an amino acid with formula C₃H₇NO_2. How many atoms in all are in each molecule of alanine?

• 3

• 7

• 12

• 13

Tags

NGSS.MS-PS1-1

Which of the following accurately describes the chemical formula of the molecule shown above?

• 3CH₈O

• C₃H₇O

• C₄H₈O₂

• C₃H₈O

Tags

NGSS.MS-PS1-1