Bohr Models and Valence Electrons

How many protons are in an atom of Carbon?

• 5

• 6

• 7

• 8

Tags

NGSS.MS-PS1-1

Which element is this?

• Lithium

• Carbon

• Oxygen

• Boron

Tags

NGSS.MS-PS1-1

How many Valence Electrons does this element have?

• 7

• 5

• 4

• 2

Tags

NGSS.MS-PS1-1

How many Valence Electrons does this element have?

• 3

• 2

• 1

• 4

Tags

NGSS.MS-PS1-1

How many energy levels does this element have?

• 6

• 2

• 4

• 5

Tags

NGSS.MS-PS1-1

How many energy levels do atoms in period 3 have?

• 1

• 2

• 3

• 4

How many energy levels do elements in period 4 have?

• 2

• 3

• 4

• 5

How many electrons in the outer energy level are in elements in group 13, 3A?

• 13

• 14

• 6

• 3

Tags

NGSS.MS-PS1-1

How many valence electrons are in elements in group 17, 7A?

• 7

• 17

• 8

• 5

What does the period number tell you about an element?

• Number of energy levels

• Number of valence electrons