Chemistry Basics

Front

What must happen to a sodium atom to form an Na⁺ ion?

Back

It has lost an electron.

Front

What property of water allows it to act as a temperature regulator for the world?

Back

High Specific Heat.

Front

What causes a change in temperature in a substance?

Back

Chemical Reaction.

Front

Which end of the water molecule has a slightly positive charge?

Back

The hydrogen end.

Front

On the pH scale, what number is considered neutral?

Back

7.

Front

What is the chemical formula for water?

Back

H₂O.

Front

What is the process called when a liquid turns into a gas?

Back

Evaporation.

Front

What is the term for a substance that cannot be broken down into simpler substances?

Back

Element.

Front

What is the pH range of acids?

Back

0-6.

Front

What is the term for the amount of energy required to raise the temperature of 1 gram of a substance by 1 degree Celsius?

Back

Specific Heat.