Bonding C1 Vocab and Notes REVIEW

__________________ is when two or more atoms join to create a new substance.

• chemical bonding

• valence electron

• ions

• chemical formula

How many valence electrons are in an atom of Ba?

• 2
• 8
• 4
• 1

How many valence electrons are in an atom of Ar?

• 2
• 8
• 4
• 1

Tags

NGSS.MS-PS1-1

How many valence electrons are in an atom of K?

• 3
• 8
• 4
• 1

Is this the correct Lewis Dot Structure for Boron?

• Yes

• No, missing electrons

• No, too many electrons

• No, dots are in wrong place.

Tags

NGSS.HS-PS1-1

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

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What two types of atoms make a covalent bond?

• 2 Nonmetals
• 1 Nonmetal and 1 Metal
• 2 Metals
• 2 Noble Gases

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

An atom that has gained or lost electrons is called ...

• a winner
• an isotope
• an ion
• a loser

When an atom loses an electron, it becomes a:

• positive ion
• negative ion
• neutral ion
• neutral atom

Ionic bonds are between...

• Metal and Non-metal
• Non-metal and Non-metal
• Metal and Metal

Tags

NGSS.HS-PS1-2