CH 7 Test Ion formation, Ionic bonds, and metals

Choose the correct definition for the following word: alloy

• A charged particle containing more than one atom

• A charged particle containing only one atom

• A mixture of elements that has metallic properties

• A mixture formed when small atoms fill holes in a metallic crystal

Choose the correct definition for the following word: anion

• A positively charged ion

• A charged particle containing only one atom

• A mixture of elements that has metallic properties

• A negatively charged ion

Choose the correct definition for the following word: Chemical bond

• The energy needed to separate the ions of an ionic compound

• The electrostatic force that holds oppositely charged particles together

• The attraction of a metallic cation for delocalized electrons

• The force that holds two atoms together

How many electrons are present in the valence level for all noble gases except helium?

• 6

• 7

• 2

• 8

• 5

Which has seven valence electrons?

• sodium

• chromium

• boron

• argon

• chlorine

Which is a transition metal?

• sodium

• chromium

• boron

• argon

• chlorine

Which has an electron configuration of 1s2 2s2 2p6 3s2 3p5?

• sodium

• chromium

• boron

• argon

• chlorine

Which is a noble gas?

• sodium

• chromium

• boron

• argon

• chlorine

In an Ionic Bond Valence Electrons are what?

• created

• destroyed

• gained or lost

• shared

How many valence electrons does an atom need to become stable?

• 2

• 4

• 6

• 8