Page 2-3 Chemical Bonds and Electron Dot

A _________ bond is formed when atoms are held together by attractive forces.

• Physical

• Chemical

• Nuclear

Atoms exchange (add or lose) or share electrons to become ________.

• bigger

• smaller

• less stable

• more stable

What are valence electrons?

• The total number of electrons in an atom

• The number of electrons in the outermost shell

• The number of electrons in the second shell

• The number of protons in the outermost shell

How many valence electrons does carbon have?

• 4

• 5

• 6

• 7

USE THE PERIODIC TABLE

How many valence electrons does Phosphorus have?

• 31

• 5

• 15

• 4

How many valence electrons are found in atoms of group 1?

• 7
• 6
• 4
• 1

How many valence electrons are found in atoms of group 14?

• 4
• 3
• 14
• 16

This could be the dot diagram of 

• Ne
• Si
• Al
• Be

This could be the dot diagram of

• Mg

• Cl

• C

• O

How many valence electrons does Germanium (Ge) have?

• 32

• 4

• 14

• 2