Biochem Review

Electrons have a charge of:

• -1
• -2
• +1
• +2

What's a valence electron?

• electrons in the second energy level
• electrons in the outermost energy level
• the atomic number
• electrons in the first level

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What's an octet?

• a set of 8
• a set of 7
• 4 electrons
• group 8A

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many energy shells does Aluminum (Al) have?

• 2
• 3
• 4
• 1

Tags

NGSS.HS-PS1-1

Because it is already in the most stable form with a full valence shell, which element will not form bonds?

• Mercury
• Carbon
• Hydrogen
• Krypton

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons make the atom "happy"?

• 2
• 6
• 8
• 45

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The first electron shell is an exception because it is full when you have ____ electrons

• 4
• 1
• 10
• 2

Tags

NGSS.HS-PS1-1

How many valence electrons does Magnesium (Mg) have?

• 1

• 2

• 12

• 24

Tags

NGSS.HS-PS1-1

Type of bond in which electrons are shared

• Ionic
• Covalent
• Hydrogen
• Metallic

Tags

NGSS.HS-PS1-1

Type of bond in which electrons are transferred/stolen

• Hydrogen
• Ionic
• Covalent
• Metallic