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

• Ar
• He
• Kr
• Rn

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 element with the smallest ionization energy in Period 6 is - 

• Rn
• Cs
• Os
• Tm

Tags

NGSS.HS-PS1-1

Of the halogens, which has the smallest radius?

• F

• Br

• He

• At

Tags

NGSS.HS-PS1-1

Which of the following will have a higher electronegativity than arsenic (As)?

• Carbon (C)

• Neon (Ne)

• Antimony (Sb)

• Germanium (Ge)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following will have a lower ionization energy than Scandium (Sc)?

• Helium (He)

• Titanium (Ti)

• Calcium (Ca)

• Magnesium (Mg)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the amount of energy required to remove an electron from an atom?

• atomic energy

• ionization energy

• ionic energy

• electron energy

What is a vertical (up and down) column in the periodic table?

• group or family

• period

• periodic law

• octet rule

Which atom has the largest atomic radius?

• potassium
• rubidium 
• francium
• cesium

Tags

NGSS.HS-PS1-1

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

• K
• Kr
• Fe
• Fe