TEST REVIEW "IONIC BONDING"

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Class Hour

• 1
• 2
• 3
• 5
• 6

1) The only elements on the periodic table that are already stable as atoms are in this family ___.

• Transition metals
• Alkali metals
• Noble gases
• Halogens

2) An atom forms an ion is by___.

• gaining electrons, only
• losing electrons, only
• gaining or losing electrons
• adding or losing protons

3) The compound formed between potassium and nitrogen would be ___.

• K₃N
• P₃N
• PN₃
• PN
• KN

4) The oxygen family elements have ___ valence electrons, and their oxidation number is ___.

• -6, +2
• 6, -2
• +2, -6
• -2, +6

5) Group 13 elements have ___ valence electrons and their oxidation number is ___.

• +5, 5
• +3, 3
• 5, +5
• 3, +3

6) Ionic compounds are electrical conductors only when they are ___.

• in solution or melted
• crystallized
• solids
• only as gases

7) Cations are ___.

• negative ions
• positive ions
• isotopes
• combinations of ions