Periodic Trends

Which of the following will have a larger radius than Zinc?

• Gallium
• Aluminum
• Magnesium
• Strontium

Which has the greater EN: 
H or F?

• H
• F

Which has the greater EN: 
N or C?

• C
• N

Which atom has the largest atomic radius?

• potassium
• rubidium 
• francium
• cesium

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. 

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

• Ar
• He
• Kr
• Rn

Which statement correctly and completely identifies a trend?

• Atomic radius decreases across a period and increases down a group.
• Electronegativity decreases across a period and decreases down a group.
• Ionization energy increases across a period and increases down a group.
• Ionic radius increases across a period and increases down a group.

The element with the largest electronegativity in the halogens is - 

• At
• F
• Cl
• Br

The element with the lowest electronegativity in Period 3 is -

• Na

• Cl

• Ar

• Mg

How many valence electrons does a neutral atom of nitrogen have?

• 2

• 4

• 5

• 6