QA #1 Test corrections

Front

How many Sodium (Na) are in 6NaCl?

Back

6

Front

What type of change occurs when a campfire burns?

Back

Chemical change

Front

What type of change is rust forming on a nail?

Back

Chemical change

Front

Is burning wood a chemical or physical change?

Back

Chemical change

Front

How many Magnesium are in 10MgCl2?

Back

10

Front

What is the chemical formula for Sodium Chloride?

Back

NaCl

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Front

What is an example of a physical change?

Back

Melting ice.

Front

What is an example of a chemical change?

Back

Burning paper.

Front

What happens to the atoms in a chemical reaction?

Back

Atoms are rearranged to form new substances.