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WorksheetsThe Periodic Table - Deepa Shah
Total questions: 10
Worksheet time: 3mins
The electronic configuration 2,8,2 is of which element ?
Na
P
Mg
O
State one use of Calcium.
In respiration
To reduce acidity of soil
In batteries
X-ray technology
When we go down the group reactivity will ___________ .
Increase
Decrease
Will be same
In which period Fluorine is present ?
Period 1
Period 2
Period 3
Which element is example of inert gas ?
Chlorine
Hydrogen
Bromine
Neon
Atomic number of Beryllium is ____________ .
3
1
4
5
Atomic mass number of an element is equal to ___________ .
Number of electrons in an atom
Number of protons in an atom
Number of neutrons and electrons in an atom
Number of neutrons and protons in an atom
At room temperature iodine is in which form?
Solid
Liquid
Gas
2,8,8 - This electronic configuration is of which group?
Alkali metals
Alkali earth metals
Halogens
Inert gas
What happens to the size of the atom as you go down the group ?
Increase
Decrease
Remains the same
