[T] NOV 27-28 Periodic table review

How many valence e- (ve) does Hydrogen have?

• 1

• 2

• 3

• 4

What group is He in

• 8A

• 1A

• 18

• 1

How many ve does He have

• 1

• 2

• 3

• 4

• 18

Does atomic size of a neutral atom increase or decrease across a period, from left to right

• increase

• decrease

• there is no trend for atomic size

Does atomic size of a neutral atom increase or decrease within the same group from top to bottom

• increase

• decrease

• there is no trend for atomic size

Does ionization energy of a neutral atom increase or decrease across a period, from left to right

• increase

• decrease

• no trend exists

Does ionization energy of a neutral atom increase or decrease within a group, from top to bottom

• decrease

• increase

• no trend exists

Does electronegativity of a neutral atom increase or decrease across a period, from left to right

• increase

• decrease

• no trend exists

Does electronegativity of a neutral atom increase or decrease within a group, from top to bottom

• decrease

• increase

• no trend exists

What is the charge of the chloride ion

• 1+

• 1-

• 7+

• 7-