Counting Atoms

Front

What is the chemical formula for glucose?

Back

C6H12O6

Front

How many atoms are in one molecule of water (H2O)?

Back

3 (2 Hydrogen + 1 Oxygen)

Front

What is a compound?

Back

A substance formed when two or more elements are chemically bonded together.

Front

How many oxygen atoms are in 2C6H12O6?

Back

12

Front

How many hydrogen atoms are in 2C6H12O6?

Back

24

Front

What is the total number of atoms in 2Na2O?

Back

8 (4 Sodium + 4 Oxygen)

Front

How many hydrogen atoms are in 2H2O?

Back

4

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms.

Front

How many sodium (Na) atoms are in 2Na2O?

Back

4

Front

What does the subscript in a chemical formula indicate?

Back

The number of atoms of the element in one molecule.