Chemistry review

Front

Is water a compound or element?

Back

Compound

Front

What type of charge does an electron have?

Back

Negative

Front

Which family on the periodic table is the least reactive?

Back

Noble Gases (Group 18)

Front

New substances are always created by this kind of changes.

Back

Chemical

Front

Find the density of a sample of aluminum with a mass of 6 g and a volume of 2.22 cm³. Round your answer to the nearest tenth.

Back

2.7 g/cm³

Front

What is the atomic number of Carbon?

Back

6

Front

What is the pH level of pure water?

Back

7 (neutral)

Front

What is the process of a liquid turning into a gas called?

Back

Evaporation

Front

What is the chemical formula for table salt?

Back

NaCl

Front

What is the main gas found in the Earth's atmosphere?

Back

Nitrogen (N₂)