COUNTING ATOMS

Front

What is the chemical formula for sulfuric acid?

Back

H₂SO₄

Front

How many atoms of carbon are in the compound C₃H₅(NO₃)₃?

Back

3

Front

What is the total number of oxygen atoms in H₂SO₄?

Back

4

Front

In the compound 4CF₂Cl₂, how many fluorine atoms are present?

Back

8

Front

What is the number of hydrogen atoms in water (H₂O)?

Back

2

Front

Define a chemical formula.

Back

A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound.

Front

What does the subscript in a chemical formula indicate?

Back

The subscript indicates the number of atoms of the element in the molecule.

Front

How many total atoms are in the compound C₃H₅(NO₃)₃?

Back

11 (3 C + 5 H + 3 N + 9 O = 11)

Front

What is the significance of coefficients in a chemical formula?

Back

Coefficients indicate the number of molecules or moles of a compound.

Front

How many chlorine atoms are in 4CF₂Cl₂?

Back

2