Chemistry Fall Semester Review

Front

How many valence electrons does Chlorine have?

Back

7

Front

What atom matches this electron configuration: 1s² 2s² 2p⁶ 3s²?

Back

Magnesium

Front

If the exponent is a positive number, what can you infer?

Back

You will get a large number.

Front

Convert 6 kg to grams.

Back

6000 g

Front

Convert 240 cm to meters.

Back

2.4 m

Front

What is the atomic number of Chlorine?

Back

17

Front

Define the term 'molar mass'.

Back

The mass of one mole of a substance, typically expressed in grams per mole (g/mol).

Front

What is the formula for calculating density?

Back

Density = Mass/Volume.

Front

What is the pH scale used for?

Back

To measure the acidity or basicity of a solution.

Front

What is the principle of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.