Counting Atoms & Matter Review

Front

How many atoms of hydrogen are in C6H12O6?

Back

12

Front

What is the big number at the beginning of a chemical formula called?

Back

Coefficient

Front

NaCl is the chemical formula for salt. Is NaCl considered a compound or an element?

Back

Compound

Front

How many Sodium (Na) are in 6NaCl?

Back

6

Front

What type of change is rust forming on an iron fence?

Back

Chemical Change

Front

What is the term for the number of atoms in a molecule?

Back

Molecular formula

Front

What is the difference between an element and a compound?

Back

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

Front

What does a subscript in a chemical formula indicate?

Back

The number of atoms of the element in the molecule.

Front

What is the chemical formula for water?

Back

H2O

Front

What is the process called when a solid turns into a gas without becoming liquid?

Back

Sublimation