Acid and Base - Topic 2 - L1

Question 1

what is the Arrhenius definition?

Answer 1

An acid is a molecule or polyatomic ion that contains hydrogen and reacts with water to produce hydronium ions.

Question 2

for a hydrogen to react with water to form a hydronium ion the hydrogen must be attached to an ______________ element

Answer 2

electronegative

Question 3

what are the electronegative elements?

Answer 3

O N F Cl Br I

bronfIcl

Question 4

Strong acid is ____ dissociated into ions in water

Answer 4

completely

Question 5

weak acid is ____ dissociated into ions in water

Answer 5

incompletely

Question 6

what is a base?

Answer 6

A base was defined a molecule that produces hydroxide ions in water.

Question 7

strong bases are ____ ionised in water

Answer 7

completely

Question 8

weak bases are ____ completely ionised in water

Answer 8

not

Question 9

whats amphoteric ?

Answer 9

Oxides that can behave both as acid and bases

Question 10

Metallic elements produce oxides that are?

Answer 10

bases

Question 11

Non-Metallic elements dissolve produce what?

Answer 11

acidic solutions