Week 12 Extra credit

Valence electrons are found

• in the innermost energy level of an atom

• in the middle energy levels of an atom

• in the outermost energy levels of an atom

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What two types of atoms make a covalent bond?

• 2 Nonmetals

• 1 Metal and 1 Nonmetal

• 2 Metals

• 2 Noble Gases

Tags

NGSS.MS-PS1-1

When an atom loses an electron, it becomes a

• positive ion

• negative ion

• neutral ion

• neutral atom

Ionic or covalent?
C  H

• Ionic
• Covalent

Tags

NGSS.MS-PS1-1

Ionic or covalent?
Na  F

• Ionic
• Covalent

Tags

NGSS.HS-PS1-3

Ionic or covalent?
N  H

• Ionic
• Covalent

Tags

NGSS.HS-PS1-3

Ionic or covalent?
Na  Br

• Ionic
• Covalent

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Ionic bonds are between...

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

How do covalent bonds form?

• by sharing electrons between atoms

• by donating or receiving electrons

How many valence electrons does Boron have?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1