Semester Exam Review

Front

How many valence electrons does carbon have?

Back

Carbon has 4 valence electrons.

Front

What is the electron configuration for an oxygen atom?

Back

The electron configuration for an oxygen atom is 1s² 2s² 2p⁴.

Front

What is the name of the compound SO₂?

Back

The name of the compound SO₂ is Sulfur Dioxide.

Front

If a chemical splashes on your skin, what should you do?

Back

You should wash the skin at once with plenty of water.

Front

What should you do with long hair in the lab?

Back

Long hair in the lab must be tied back to be kept out of the way.

Front

What is the atomic number of oxygen?

Back

The atomic number of oxygen is 8.

Front

What is the chemical formula for water?

Back

The chemical formula for water is H₂O.

Front

What is the pH level of pure water?

Back

The pH level of pure water is 7.

Front

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

Back

The process of a solid turning into a gas is called sublimation.

Front

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

Back

The main gas found in the Earth's atmosphere is nitrogen.