WorksheetsKrypton Quiz
Total questions: 12
Worksheet time: 10mins
What is the atomic number of Krypton?
(a)
Select the incorrect statements for the discovery of krypton
It was discovered in 1898
It was discovered only by William Ramsay
The discoverers of krypton also discovered helium, argon, neon, and xenon.
It was discovered in Scotland in the UK.
What are some uses for krypton?
Used to be used for measuring the length of a meter
Commercially used for making atomic clocks
Used for CMOS batteries in computers
Commercially used to make lightbulbs
What state of matter is krypton at room temperature?
Solid
Liquid
Gas
Plasma
What family and period is Krypton in?
Family: Noble Gases / 18
Family: Halogen / 17
Family: Nitrogen family / 7
Group: 3
Group: 4
How many valence electrons does krypton have?
18
2
7
8
Krypton is classified as a...
(a)
Krypton has:
36 electrons, 40 protons, 40 neutrons
40 electrons, 40 protons, 44 neutrons
36 electrons, 36 protons, 44 neutrons
36 electrons, 36 protons, 48 neutrons
What does krypton bond with?
Fluoride
Carbon
Neon
Nitrogen
Beryllium
What is the atomic mass of krypton? (round to the nearest integer)
(a)
Which answer choice BEST represents if krypton is toxic or not?
True
False
True, but only when it bonds with K (Potassium) (nontoxic for everything else)
False, but only when it bonds with K (Potassium) (toxic for everything else)
All of the above
Which of the answers below have the MOST SIMILAR properties to kypton?
Lithium (family 1 period 2)
Argon (family 18 period 3)
Silicon (family 14 period 3)
Bromine (family 17 period 4)
