Periodic Table - Review

What are the three main groups of the periodic table?

• groups

• metal

• nonmetals

• metalloids

• periods

How do you calculate the number of neutrons? *

• Mass = Atomic number - Neutrons

• Mass - Atomic number = Neutrons

• Atomic number = Neutrons

Tags

NGSS.MS-PS1-1

What group and period does this element belong in? *

• period 1 and group 3

• period 3 and group 1

• period 2 and group 3

• period 3 and group 2

Tags

NGSS.HS-PS1-1

How many valence electrons does the element have?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1

The atom with the largest atomic radius in Group 18 is - 

• Ar
• He
• Kr
• Rn

Tags

NGSS.HS-PS1-1

As you move down a group, atomic radius increases because - 

• you add more and more neutrons
• you add more and more protons
• you add more and more shells (energy levels)
• you add more atomic mass

The atom with the largest atomic radius in Period 4 (row 4) is - 

• K
• Kr
• Fe
• Fe

Tags

NGSS.HS-PS1-1

Francium (Fr) has the lowest ionization energy in Group 1 because - 

• it has the smallest number of valence electrons
• it has the greatest atomic mass
• it has the greatest number of protons, so it attracts its electrons the strongest
• its 1 valence electron is very far from the nucleus, so little energy is needed to remove it

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Francium (Fr) has the lowest ionization energy in Group 1 because - 

• it has the smallest number of valence electrons
• it has the greatest atomic mass
• it has the greatest number of protons, so it attracts its electrons the strongest
• its 1 valence electron is very far from the nucleus, so little energy is needed to remove it

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What represents the number of energy levels for each element on the periodic table?

• Periods

• Protons

• Groups

• Neutrons

Tags

NGSS.HS-PS1-1