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Group 2

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Total cards: 19•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (19)

#1
Front (Question)

Reactivity down the group

Back (Answer)

• decreased IE • increased atomic radius • increased shielding • better reducing agent

#2
Front (Question)

Group2 + O2

Back (Answer)

M(s) + 1/2O2(g) -> MO(s)

#3
Front (Question)

Group2 +water

Back (Answer)

M(s) + 2H2O(l) -> M(OH)2(aq) + H2(g)

#4
Front (Question)

Group2 + dilute acid

Back (Answer)

M(s) + 2HCl(aq) -> MCl2(aq) + H2(g)

#5
Front (Question)

Metal oxide + water

Back (Answer)

MO(s) + H2O(l) -> M^2+(aq) + 2OH-

#6
Front (Question)

Metal oxides

Back (Answer)

• base • increased alkalinity down the group(and rate of reaction) • hydroxides become more soluble • Mg(OH)2 doesn’t

#7
Front (Question)

Metal hydroxides

Back (Answer)

white ppt

#8
Front (Question)

Ca(OH)2

Back (Answer)

• used in agriculture • neutralises acidic soils

#9
Front (Question)

Mg(OH)2 and CaCO3

Back (Answer)

• indigestion tablets • antacids

#10
Front (Question)

G2 physical properties

Back (Answer)

• metals • high mpt and bpt • form colourless ionic compounds • good conductors • form 2+ cations

#11
Front (Question)

Mg flame test

Back (Answer)

white

#12
Front (Question)

Ca flame test

Back (Answer)

brick-red

#13
Front (Question)

Sr flame test

Back (Answer)

crimson

#14
Front (Question)

Ba flame test

Back (Answer)

green

#15
Front (Question)

Melting point down the group

Back (Answer)

• decreases • increased atomic radius

#16
Front (Question)

Decomposition of metal carbonate

Back (Answer)

MCO3(s) -> MO(s) + CO2(g)

#17
Front (Question)

Mg with H20

Back (Answer)

• reacts slowly with cold water • reacts with steam 3.produces MgO

#18
Front (Question)

Metal oxide with acid

Back (Answer)

MO(s) + 2acid -> salt + H2O

#19
Front (Question)

Metal hydroxide with acid

Back (Answer)

M(OH)2 (s) + 2acid -> salt + 2H2O