WorksheetsQuiz on Alkali Metals
Total questions: 10
Worksheet time: 3mins
Which group in the periodic table do alkali metals belong to?
Group 3
Group 4
Group 1
Group 2
What happens when lithium is placed in water?
It sparks and releases a lilac flame
It fizzes gradually until it disappears
It fizzes rapidly and quickly disappears
It floats on water
How do alkali metals react with oxygen?
Form metal oxides
Form metal sulfides
Form metal carbonates
Form metal halides
What happens to the reactivity with oxygen as you go down group 1?
Increases
Decreases
Remains constant
No effect
How do alkali metals form positive ions?
By sharing electrons
By losing two electrons
By gaining one electron
By losing one electron
What is the common property of alkali metals in terms of density?
They have low density
They have high density
They have medium density
They have variable density
What is the word equation for the reaction of potassium with oxygen?
potassium + oxygen --> potassium oxide
potassium + oxygen --> potassium sulfate
potassium + oxygen --> potassium chloride
potassium + oxygen --> potassium hydroxide
What is the common property of alkali metals in terms of melting point?
They have low melting point
They have high melting point
They have medium melting point
They have variable melting point
Which alkali metal is the least reactive?
Lithium
Sodium
Potassium
Francium
write the chemical equation for reaction sodium with chlorine .
