Semester Test Study Guide

Front

How many electrons are being shared in a double covalent bond?

Back

4

Front

What is the volume displacement of the hammer?

Back

4

Front

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

Back

Magnesium

Front

After completing an experiment, all chemical wastes should be—

Back

Disposed of according to your instructor's directions.

Front

When is light emitted when electrons change energy levels?

Back

When an electron falls back to the ground state.

Front

Define a covalent bond.

Back

A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms.

Front

What is the principle of volume displacement?

Back

Volume displacement is the method of measuring the volume of an object by the amount of fluid it displaces.

Front

What is the electron configuration for Magnesium?

Back

1s² 2s² 2p⁶ 3s²

Front

What should you do with unused chemicals after an experiment?

Back

Follow your instructor's directions for disposal.

Front

What happens to an electron when it absorbs energy?

Back

It jumps to a higher energy level.