Bohr/Valence/Lewis Dot

What is the name of this element?

• Lithium

• Boron

• Carbon

• Beryllium

Tags

NGSS.HS-PS1-1

What is the atomic number of this atom?

• 2
• 4
• 6
• none of the above

Tags

NGSS.HS-PS1-1

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

On the periodic table, Groups are

• Horizontal rows

• Vertical columns

Tags

NGSS.HS-PS1-1

On the periodic table, Periods are

• Horizontal rows

• Vertical columns

The first energy level can have a maximum of how many electrons?

• 1

• 2

• 6

• 8

What is this element?

• Beryllium (atomic #4)

• Boron (atomic #5)

• Carbon (atomic #6)

• Nitrogen (atomic #7)

Tags

NGSS.MS-PS1-1

How many valence electrons?

• 2

• 3

• 4

• 5

Tags

NGSS.HS-PS1-1

What group does this element belong to?

• 1A

• 2A

• 7A

• 8A

Tags

NGSS.HS-PS1-1

How many valence electrons?

• 2

• 4

• 6

• 8

Tags

NGSS.HS-PS1-1