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WorksheetsScChem_Groups 1: The Alkali Metals
Total questions: 12
Worksheet time: 8mins
Group 1 elements will form an ion with _______ charge.
+1
+2
-1
-2
Group 1 elements are best known as
acid metal
cations
alkali metals
Groups are the _____________
horizontal rows
vertical columns
Which of the following is not a physical properties of alkali metals?
shiny appearance
soft
reacts readily with cold water
low density
Melting and boiling points _________ down Group I.
increase
decrease
Reactivity _________ down Group I.
increase
decrease
Alkali metals have low melting points
True
False
Alkali metals react with cold water to form ____________________.
hydrogen only
alkali obly
alkali and water only
alkali and hydrogen only
What are the products when Na reacts with water?
sodium oxide + hydrogen
sodium hydroxide + water
sodium hydroxide + hydrogen
omplete the equation: 2Li(s) + 2H2O(l) →
2Li2OH(aq) + 2H2(g)
2LiOH(aq) + H2(g)
LiOH(aq) + 2H2(g)
2Li2O(aq) + 2H2(g)
Complete the equation: 2K(s) + 2H2O(l) →
2K2OH(aq) + 2H2(g)
KOH(aq) + H2(g)
2KOH(aq) + H2(g)
K2O(aq) + 2H2(g)
Complete the equation: 2Na(s) + 2H2O(l) →
2NaOH(aq) + H2(g)
NaOH(aq) + H2(g)
2NaOH(aq) + 2H2(g)
Na2O(aq) + 2H2(g)
