Questionnaire 2 Chem (10th)

What it is atomic weight of hydrogen?

• 3 g/mol

• 2 g/mol

• 1 g/mol

What is the atomic weight of oxygen?

• 20 g/mol

• 16 g/mol

• 10 g/mol

What is the atomic weight of sodium?

• 39 g/mol

• 23 g/mol

• 31 g/mol

What is the atomic weight of chlorine?

• 25,5 g/mol

• 30 g/mol

• 35,5 g/mol

What is the atomic weight of sulfur?

• 14 g/mol

• 32 g/mol

• 31 g/mol

What is the atomic weight of potassium?

• 39 g/mol

• 23 g/mol

• 31 g/mol

What is the atomic weight of aluminum?

• 27 g/mol

• 33 g/mol

• 56 g/mol

What is the atomic weight of phosphorus?

• 31 g/mol

• 44 g/mol

• 52 g/mol

What is the atomic weight of carbon?

• 12 g/mol

• 30 g/mol

• 40 g/mol

What is the atomic weight of nitrogen?

• 13 g/mol

• 14 g/mol

• 10 g/mol