Group Two Metals

Question 1

Beryllium reacts with oxygen

Answer 1

Reluctant to burn, white flame

Question 2

Beryllium reaction with water

Answer 2

No reaction

Question 3

Beryllium Reaction with dilute HCl

Answer 3

Reacts rapidly

Question 4

Beryllium reaction with dilute H2SO4

Answer 4

Reacts vigorously to

Question 5

Magnesium with oxygen

Answer 5

Burns easily, bright white flame

Question 6

Magnesium with water

Answer 6

Vigorous reaction with steam(g), no reaction with water (l)

Question 7

Magnesium with dilute HCl

Answer 7

Reacts rapidly

Question 8

Magnesium Reaction with dilute H2SO4

Answer 8

Reacts vigorously

Question 9

Calcium with oxygen

Answer 9

Difficult to ignite, brick red flame

Question 10

Calcium with water

Answer 10

Reacts moderately, hydroxide formed

Question 11

Calcium with dilute HCl

Answer 11

Reacts vigorously

Question 12

Calcium with dilute H2SO4

Answer 12

Reaction slowed down by the formation of a sparingly soluble sulfate layer
Covers the metal, stopping hydrogen bubbles from rising

Question 13

Strontium with oxygen

Answer 13

Difficult to ignite, scarlet red

Question 14

Strontium with water versus dilute HCl

Answer 14

Water: reacts rapidly, hydroxide formed
HCl: reacts vigorously

Question 15

Sr with dilute H2SO4

Answer 15

Reaction is quickly stopped by the formation of an insoluble sulfate layer

Question 16

Barium with oxygen

Answer 16

Difficult to ignite, lime flame

Question 17

Ba with water versus dilute HCl

Answer 17

Water: Reacts vigorously, hydroxide formed
HCl: reacts vigorously

Question 18

Ba with H2SO4

Answer 18

Reaction is quickly stopped by the formation of an insoluable sulfate layer

Question 19

Magnesium oxide reaction with water

Answer 19

Observe slightly soluble, weakly alkaline solution is formed

Question 20

Calcium oxide reaction observations with water

Answer 20

Vigorously react, releases a lot of energy, causes some water to boil off a the CaO will seek to expand and crack open

Question 21

SrO and BaO observations with water

Answer 21

Increasing pH over time

Question 22

All group two oxides are …. Except for …. Which acts as a ….

Answer 22

Basic, BeO, Amphoteric solution

Question 23

All group two oxides with water are … which means pH goes …

Answer 23

Alkaline, up

Question 24

Group two hydroxide form ….. solutions of metal …. When they react with dilute …

Answer 24

Colorless, chlorides, acid

Question 25

Hydroxides react with sulfates, and they ….. in solubility going …. And barium sulfate is …..

Answer 25

Decrease, down, insoluable

Question 26

Group two metals will react with dilute acids to form …………… with a byproduct of

Answer 26

Colorless solutions of metal salts, hydrogen gas

Question 27

Group two reacts with sulfuric acid rather than hydrochloride, an ………………… forms

Answer 27

Insoluable sulfate

Question 28

Going down the group, the group 2 sulfates become ——- soluble. Calcium sulfate is —— soluble and strontium and barium sulfate are —— soluble

Answer 28

Less, sparingly, insoluable

Question 29

Oxides + sulfates …. Form when oxides react with an …. …….. sulfates form at the …… which means that the solid oxide beneath cannot ….. with the ….. unless they the oxide is ….. and ……

Answer 29

Group two oxides, acid Insoluable, surface, react, acid Powdered, stirred

Question 30

Group two carbonates are all insoluble in …. except for ….. also will form …… , ……, and ….. when reacted with ……..

Answer 30

water, BeCO3 Soluble chloride salts, water, carbon dioxide gas, hydrochloric acid

Question 31

Ca, Sr, and Ha form as …….. layer on their solid ……… which stops any further reaction after initial …….. (……….) of carbon dioxide

Answer 31

Insoluable sulfate, carbonates, bubbling (effervescence)

Question 32

Thermal decomp of Nitrates and Carbonates Carbonates break down when they are heated to form ….. and give off ….. Nitrates break down to produce ……. And ….. and …….

Answer 32

Metal oxide, carbon dioxide gas Metal Oxide, nitrate, oxygen

Question 33

Going DOWN the group More ….. is needed to break down the …. And …… The thermal stability of the …. And … therefore ….. The higher the ….. and the … the ion, the ….. the …. Power The more ….. they are The more likely they are to ……… as bonds become ….:

Answer 33

Heat, carbonate and nitrates Carbonate and nitrate, increases Charge, smaller, higher, polarizing Polarized, thermally decompose, weaker

Question 34

Group two hydroxides Going down the group they become more …. Which means higher …. Solubility ….. down the group

Answer 34

Alkaline, Ph, increases

Question 35

Group two sulfates decreased in ….. down the group

Answer 35

Solubility