trends in the periodic table

Question 1

the atomic radius increases left to right across a period true or false

Answer 1

false, the atomic radius decreases left to right across a period

Question 2

does the atomic radius increase or decrease down a group

Answer 2

increase

Question 3

what is the first ionisation energy and what is it measured in

Answer 3

the energy required to remove electrons from an element. measured in kJ/mol

Question 4

the ionisation energy __ left to right across a period

Answer 4

increases

Question 5

does the first ionisation energy decrease down a group

Answer 5

yes

Question 6

electronegativity measures how attracted an electron is to an atom, true or false

Answer 6

true

Question 7

what does electronegativity explain in relation to first ionisation energy and atomic radius

Answer 7

it explains why they exist as trends

Question 8

electronegativity’s trends is similar to that of the atomic radius, true or false?

Answer 8

false, it is similar to that of the first ionisation energy