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14 - Periodic Table (group 1) Flashcards | StudBud
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14 - Periodic Table (group 1)
14 - Periodic Table (group 1)
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14 - Periodic Table (group 1)
Flashcards
17 cards
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Questions
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Answers
1
Group 1 metals include
Li Na K Rb Br Fr
Li Na K Rb Cs Fr
Li Mg K Rb Cs Fr
Li Na Ca Rb Cs Fr
2
Which of the following is NOT a property of Grp 1 metals?
MP and BP decrease down the group
Density and mass increases down the group
soft and shiny
high melting and boiling point
3
Alkali metals react with cold water to form
acids and water
alkalis and hydrogen
alkalis and water
acids and alkalis
4
Sodium Na reacts with oxygen O to form
Na2O2
NaO
Na2O
NaO2
5
When a grp 1 element
X
forms a ionic bond with grp 6 element
Y
, the ionic compound looks like
X2Y
X2Y2
XY
XY2
6
Group 1 metals have similar chemical properties (reactions). This is due to
all have weak metallic bonds
their ability to lose protons during a reaction
all have a large number of shells
all group 1 metals have one valence electron
7
Group 1 metals have a tendency to form _____ bonds because they ________
covalent, donate electrons
covalent , share electrons
ionic, share electrons
ionic, donate electrons
8
Why are alkali metals are powerful reducing agents?
they react violently with oxygen and water
They lose protons easily
they are highly reactive
they donate or give away electrons easily
9
As you move down the group, reactivity __________
neither increase nor decrease
increase and decrease
decreases
increases
10
Group 1 metals are also known as
alkali metals
earth metals
alkali earth metals
transition metals
11
Which of the following properties are common for all metals?
have high density and mass
high strength and durability
good conductors of electricity and heat (all states)
silver or grey coloured
12
Group 1 metals are highly reactive. This is due to
tendency to lose 1 valence electron to attain a stability
high reactivity with oxygen
the large size of the atoms
increased surface area of the the metals
13
Group 1 metals are highly reactive. How are they usually stored in the lab?
stored inside glass bottles
placed in air tight bottles
stored away from bright light
usually stored in oil
14
When a grp 1 element
X
forms a ionic bond with grp 7 element
Y
, the ionic compound looks like
XY2
XY
X2Y
YX
15
Lithium Li reacts with fluorine F to form
Li2F
Li2F2
LiF2
LiF
16
When a grp 1 element
X
forms a ionic bond with grp 5 element
Y
, the ionic compound looks like
YX3
X3Y
XY
XY3
17
Which of the following is NOT a property of Grp 1 metals? (2)
MP and BP decrease down the group
not reactive with water
conducts electricity
good conductor of heat
