Quiz 2.1

Which periodic group has the smallest atomic radius?

• Alkali metals
• Halogens
• Noble Gases
• Transition metals

Ionization energy is...

• the energy required to add an electron to a specific atom
• how much energy it takes to remove an electron from an atom
• the energy required to shield the outer electrons from the nucleus
• a measure of the ability of an atom to attract electrons

Electronegativity is...

• how good an atom is at attracting electrons
• the ability of an atom to lose electrons
• the energy required to remove an electron from a specific atom
• how easy it is to make friends. 

Which has the greater EN: 
Cl or Al?

• Cl
• Al

Which has the greater EN: 
N or C?

• C
• N

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

• Ar
• He
• Kr
• Rn

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

• K
• Kr
• Fe
• Fe

The element with the smallest ionization energy in Period 6 is - 

• Rn
• Cs
• Os
• Tm

Of the halogens, which has the smallest radius?

• F

• Br

• He

• At

Each column in the periodic table is called a 

• period
• group
• cluster
• unit