Why are noble gases stable?, They lose electrons., They gain electrons., Their outermost energy level is completely filled with electrons., They have only one electron., To become stable, a metal atom usually:, Gains electrons., Loses electrons., Shares electrons only., Does nothing., To become stable, a non-metal atom usually:, Loses electrons., Gains electrons., Forms a nucleus., Breaks chemical bonds., A sodium atom becomes stable by:, Gaining one electron., Losing one electron., Losing two electrons., Gaining two electrons., Which element is already stable?, Sodium, Magnesium, Neon, Chlorine, Metals usually lose:, 4 or 5 electrons., 1, 2, or 3 electrons., 6 electrons., No electrons., Non-metals usually gain:, 4 or 5 electrons., 1, 2, or 3 electrons., No electrons., All their electrons., Which group of elements is the most stable?, Metals, Non-metals, Noble gases, Halogens, Why do atoms lose or gain electrons?, A. To become heavier., B. To become smaller., To achieve a stable electronic configuration., D. To increase the number of protons.

Lesson 4

by
Print
Embed

Leaderboard

Visual style

Options

Switch template

Continue editing: ?