C-2 Review

What elements generally make an ionic bond ?

• Metal and nonmetal

• 2 or more nonmetals

• 2 or more metals

• 2 elements

An ionic bond is formed when

• Valence electrons are shared.

• Valence electrons surround the cations.

• Valence electrons are transferred between atoms.

• Valence electrons are completely transferred between two metals.

What is a valence electron?

• an electron that is found in the outermost shell of an atom

• an electron found in the innermost shell of an atom

• an electron found in the middle shell

• an electon found in the nucleus

What is the number of valence electrons of Oxygen?

• 1

• 2

• 6

• 8

What is the number of valence electrons of Neon?

• 6

• 7

• 8

• 9

How many valence electrons in this structure ?

• 4

• 5

• 6

• 7

Predict the bond formed between Be and F

• Covalent-bond

• Ionic-bond

• Metallic-bond

• Hydrogen-bond

Which of the following describes covalent bonds?

• Bonds form because of opposite charges

• electrons are shared to fill outer electron shells

• Electrons are transferred between atoms

• Covalent bonds are magical

How many electrons should Nitrogen have around its Lewis dot model?

• 1
• 3
• 4
• 5

For metals (groups 1-3), its easier to _____ electrons to have a full outer shell.

• gain

• lose

• share