Ions

Question 1

What are ions?

Answer 1

Elements that are not noble gases and therefore have an unstable electron arrangement, as a result they will either gain or lose electrons to take on the appearance of the nearest noble gases electron arrangement

Question 2

What are elements (metals) that lose electrons called?

Answer 2

Cations (positive +)

Question 3

What are elements (non-metals) that gain electrons called?

Answer 3

Anions (negative -)

Question 4

What are group 1 elements called and how many electrons do they lose/gain?

Answer 4

Alkali metals; lose 1 e-

Question 5

What are group 2 elements called and how many electrons do they lose/gain?

Answer 5

Alkali earth metals; lose 2e-

Question 6

What are group 17 elements called and how many electrons do they lose/gain?

Answer 6

Halogens; gain 1 e-

Question 7

What are group 18 elements called and how many electrons do they lose/gain?

Answer 7

Noble gases; remain same

Question 8

How do you write the symbol for an ion?

Answer 8

Elements symbol with charge in superscript (O2-)

Question 9

How do you write the name of an ion?

Answer 9

Elements name followed by ion; if it is a non-metal write the suffix “ide” after name (oxide ion)