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Worksheets16.2 Alkali Metals (EXP)
Total questions: 22
Worksheet time: 11mins
Group I elements are called the...?
Noble gases
Halogens
Alkali metals
Alkali Earth metals
In terms of electrons, what do group I elements have in common?
1 electron in the outer shell
1 electron in total
1 electron on the first shell
They all have the same number of electrons
What happens to the reactivity of group I elements as you go down the group?
It increases
It decreases
Which one is more reactive, lithium or sodium?
Lithium
Sodium
What state are group I elements at room temperature?
Solid
Liquid
Gas
Which of these reacts most readily with water?
Group I elements are hard/soft metals.
Group I elements have a ____ boiling point.
What happens to the density of group I elements as you go down the group?
increases
decreases
remains the same
increases then decreases
What happens to the melting and boiling point of group I elements as you go down the group?
increases
decreases
remains the same
increases then decreases
potassium + oxygen →
potassium oxide
potassium hydroxide
potassium peroxide
oxide potassium
What are formed when lithium reacts with water?
lithium oxide and hydrogen
lithium hydroxide and hydrogen
lithium hydroxide and oxygen
lithium hydroxide and carbon dioxide
What is the chemical equation for the reaction between sodium and water?
2Na + 2H2O → 2NaOH + H2
Na + H2O → NaOH + H
Na + H20 → NaCl + CO2
2Na + 2H2O → 2NaH2 + O2
How does a group I metal atom form an ion?
lose 1 electron
lose 2 electrons
gain 1 electron
gain 2 electrons
What is the charge of a group 1 metal ion?
1+
2+
1-
2-
Which alkali metal is most reactive out of the following
rubidium
potassium
sodium
lithium
Which row shows the trends that occur when moving down Group II of the Periodic Table
A
B
C
D
When sodium reacts with water, a solution and a gas are produced.
The solution is tested with Universal Indicator paper and the gas is tested with a splint.
Which of the following describes what happens to the Universal Indicator paper and to the splint?
Universal Indicator paper turns blue and glowing splint relights
Universal Indicator paper turns blue and lighted splint 'pops'
Universal Indicator paper turns red and glowing splint relights
Universal Indicator paper turns red and lighted splint 'pops'
Which of the following properties do not belong to Alkali Metals?
Low density
Soft solids
High melting point
Conducts electricity well
Which substance reacts with water to form a soluble compound and an insoluble gas?
ammonium sulfate
caesium
calcium carbonate
copper
Element X is a solid at room temperature.
It needs to lose one electron per atom to gain the electronic structure of a noble gas.
It has the least reactivity with water in its group.
What is the element X?
At
Fr
F
Li
