U1-2-3 - Electronegativity

Question 1

A measure of attraction an atom has for shared electrons

Answer 1

Electronegativity

Question 2

Explain why electronegativity decreases down a group.
1. ________________________
2. Shared e⁻ are less strongly attracted to the nucleus

Answer 2

Increased screening

Question 3

Explain why electronegativity decreases down a group.
1. Increased screening
2. Shared e⁻ are ________________ to the nucleus

Answer 3

less strongly attracted

Question 4

Explain why electronegativity increases across a period.
1. ________________________
2. Shared e⁻ are more strongly attracted to the nucleus

Answer 4

Increasing nuclear charge

Question 5

Explain why electronegativity increases across a period.
1. Increasing nuclear charge
2. Shared e⁻ are ________________ to the nucleus

Answer 5

more strongly attracted

Question 6

Electronegativity

Answer 6

A measure of attraction an atom has for shared electrons.

Must be electrons plural

Question 7

Elements with low electronegativities act as
________ agents.

Answer 7

reducing

Question 8

Elements with high electronegativities act as
________ agents.

Answer 8

oxidising

Question 9

Elements with ____ electronegativities act as reducing agents.

Answer 9

low

e.g. metals

Question 10

Elements with ____ electronegativities act as oxidising agents.

Answer 10

high

e.g. fluorine or oxygen