Counting Atoms

Front

What do coefficients in chemical formulas do?

Back

Coefficients multiply EVERYTHING in the chemical formula.

Front

How many elements are present in the compound Mg2As3COHNi2?

Back

There are 6 elements present.

Front

In the formula 4CF2Cl2, how many Carbon (C) atoms are there?

Back

There are 4 Carbon (C) atoms.

Front

In the formula 4CF2Cl2, how many Fluorine (F) atoms are there?

Back

There are 8 Fluorine (F) atoms.

Front

In the formula 4CF2Cl2, how many Chlorine (Cl) atoms are there?

Back

There are 8 Chlorine (Cl) atoms.

Front

How many Nitrogen (N) atoms are in H2C3O4N5?

Back

There are 5 Nitrogen (N) atoms.

Front

How many Oxygen (O) atoms are in 5CO2?

Back

There are 10 Oxygen (O) atoms.

Front

What is the subscript in a chemical formula?

Back

A subscript indicates the number of atoms of an element in a molecule.

Front

What does the formula H2O represent?

Back

H2O represents water, consisting of 2 Hydrogen (H) atoms and 1 Oxygen (O) atom.

Front

What is the difference between a coefficient and a subscript?

Back

A coefficient multiplies the entire molecule, while a subscript indicates the number of specific atoms.