Ionic and Covalent Review

If an oxygen atom has 8 protons (+) and 10 electrons (-), what is it's charge?

• O^10-
• O⁸⁺
• O^2-
• O¹⁰⁺

Atoms that gain electrons become...

• negatively charged
• positively charged
• remain neutrally charged
• 21

What do atoms that form positive ions tend to do?

• lose electrons

• gain electrons

• lose protons

• gain protons

Which of the following is an ionic bond?

• H₃N
• CaCl₂
• NO₂
• SCl

Which of the following is the correct Lewis dot structure for the molecule fluorine (F₂)?

• A
• B
• C
• D

Where are metals located on the periodic table?

• Blue
• Green
• Red

Where are the nonmetals located on the periodic table? 

• Blue
• Red
• Green

What is a valence electron?

• The sum of neutrons and protons.
• The # of electrons in the last shell.
• A type of bond.
• A popular compound.

Why do elements bond?

• To be friends
• To create a new element
• To become stable

How are ionic bonds formed?

• Transfer of electrons
• Sharing of electrons