ReACTivity

Valence electrons are the...

• Innermost electrons
• Middle electrons
• Outermost electrons
• Any electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The columns in the periodic table are called ___________.

• Towers

• Herds

• Groups

Rows on the periodic table are called ___________.

• Periods

• Sentences

• Fences

Elements in the same group have __________

• Similar Properties

• Same number of shells

• Similar Mass

How many valence electrons are in an atom of Se?

• 2
• 8
• 6
• 5

Tags

NGSS.MS-PS1-1

How many valence electrons are in an atom of Ba?

• 2
• 8
• 4
• 1

• 2
• 8
• 3
• 13

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

• 2
• 3
• 5

Tags

NGSS.HS-PS1-1

Which two groups on the Periodic Table are the MOST reactive?

• Group 1 and Group 17
• Group 2 and Group 16
• Group 13 and Group 15
• Group 17 and Group 18

Which group on the Periodic Table are non-reactive or stable or inert?

• Group 1

• Group 2

• Group 17

• Group 18