Chemical Bonding

How many valence electrons does Hydrogen Have?

• 1 Valence electron

• 2 Valence electron

• 3 Valence electron

• 4 Valence electron

• 5 Valence electron

Ionic bonds form between metals and ____.

• metalloids
• metals
• nonmetals

How do covalent bonds form?

• Donating & receiving valence e- between atoms.
• Opposite slight charges attract each other between compounds.
• Scientists are still not sure how they form.
• Sharing valence e- between atoms.

Electrons in the outer most shell are called.....

• Electrons

• Valence Electrons

• Protons

• Neutrons

Ionic or covalent?
K  Br

• Ionic
• Covalent

Generally covalent molecules are poor conductors

• false

• true

Low Melting & Boiling Points

• Ionic
• Covalent

A covalent bond forms when atoms ___________ electrons.

• gain

• share

• increase

• transfer

Which of the following has a full valence shell?

• Oxygen
• Neon
• Barium
• Carbon

Why do atoms bond?

• They typically don't bond

• To add or take away energy levels

• To have a full valance shell.

• To have a full inner shell