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Chemistry
Group 1
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Created by
jonathan lucas
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Cards (22)
What should you be able to describe by the end of the video?
Reactivity
of
group one
metals
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How does the reactivity of group one metals change?
It increases as we move
down the group
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What is the reason for the change in reactivity of group one metals?
It is due to the
outer electron
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What are group one metals also known as?
Alkaline metals
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How many electrons do all group one metals have in their outer energy level?
One
electron
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What happens when lithium reacts with oxygen?
Lithium
forms
lithium oxide
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How does sodium's reaction with oxygen compare to lithium's?
Sodium reacts more
rapidly
than lithium
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What compound does potassium form when reacting with oxygen?
Potassium
oxide
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How does potassium's reactivity with oxygen compare to sodium and lithium?
Potassium reacts
more
rapidly
than both
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What do lithium and oxygen atoms have in common regarding their outer electrons?
Lithium has
one
, oxygen has
six
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What happens to lithium's outer electron when it reacts with oxygen?
It moves to the
oxygen atom
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What charge do lithium ions have after reacting with oxygen?
Positive
one
charge
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What charge does the oxide ion have after lithium reacts with oxygen?
Negative two
charge
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How do we write the equation for the reaction between lithium and oxygen?
Li +
O<sub>2</sub>
→
Li<sub>2</sub>O
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What is the general reaction pattern for group one metals with oxygen?
They
all
react
similarly
with
oxygen
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How do group one metals react with chlorine?
They react rapidly with chlorine
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What compound is formed when lithium reacts with chlorine?
Lithium
chloride
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What happens to the outer electron from lithium when it reacts with chlorine?
It
moves
to
the
chlorine
atom
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What ions are produced when lithium reacts with chlorine?
Lithium
ion and
chloride ion
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How do we write the equation for the reaction between lithium and chlorine?
Li + Cl<sub>2</sub> →
LiCl
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What are the equations for sodium and potassium reacting with oxygen?
Sodium
: 4Na +
O<sub>2</sub>
→ 2Na<sub>2</sub>O
Potassium: 4K + O<sub>2</sub> →
2K<sub>2</sub>O
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What are the equations for sodium and potassium reacting with chlorine?
Sodium: 2Na +
Cl<sub>2</sub>
→ 2NaCl
Potassium: 2K + Cl<sub>2</sub> → 2KCl
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