7.1 The Periodic Table

Question 1

What are the vertical columns called on the periodic table?

Answer 1

Groups

Question 2

What are the horizontal rows called?

Answer 2

Periods

Question 3

How is the periodic table arranged?

Answer 3

My increasing proton number

Question 4

What does the number of the period show?

Answer 4

The number of the highest energy electron shell in an element’s atoms

Question 5

What is periodicity?

Answer 5

The repeating trend in properties of the elements across the periods

Question 6

What is group 1 called?

Answer 6

Alkali metals

Question 7

What is group 2 called?

Answer 7

Alkaline earth metals

Question 8

What are group 3-12 called?

Answer 8

Transition metals

Question 9

What is group 5 (15) called?

Answer 9

Pnictogens

Question 10

What is group 6 (16) called?

Answer 10

Chalcogens

Question 11

What is group 7 (17) called?

Answer 11

Halogens

Question 12

What is group 0 called?

Answer 12

Noble gases

Question 13

First ionisation energy definition

Answer 13

Energy required to remove 1 electron from each atom in 1 mole of gaseous atoms of an element to form 1 mole of gaseous 1+ ions

Question 14

What happens to the nuclear attraction as the atomic radius increases?

Answer 14

Nuclear attraction decreases

Question 15

What happens to the nuclear attraction as the nuclear charge increases?

Answer 15

Nuclear attraction increases

Question 16

What happens to the nuclear attraction as electron shielding increases

Answer 16

Nuclear attraction decreases

Question 17

Second ionisation energy definition

Answer 17

Energy required to remove 1 electron from each atom in one mole of gaseous 1+ ions of an electron to form 1 mole of gaseous 2+ ions