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WorksheetsAlkali metals and halogens
Total questions: 10
Worksheet time: 5mins
Halogens exist as .....
atoms
ions
diatomic molecules
triatomic molecules
The melting and boiling points of halogens __________ down group 7.
decrease
remains unchanged
increase
intact
In which group of the periodic table is alkali metals found?
group 2
group 7
group 10
group 1
Which of the following is the least reactive in water?
Caesium
Lithium
Rubidium
Sodium
Which of the following is the most reactive in water?
Rubidium
Potassium
Caesium
Sodium
The most reactive halogen in group 7 is .....................
fluorine
bromine
iodine
chlorine
Fluorine is able to displace bromine from sodium bromide solution because ......
sodium bromide is dense
fluorine is more reactive than bromine
sodium is very reactive
fluorine is less reactive than bromine
_______ the number of valence electrons each halogen atom has.
1
7
2
5
Which of the following is NOT an alkali metal?
Cs
Cl
Li
K
The alkali metal with the smallest atom is ____.
Na
Rb
Li
Fr
