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WorksheetsMODERN PERIODIC TABLE-1
Total questions: 10
Worksheet time: 5mins
Elements in the Modern Periodic table are arranged in order of___
Decreasing atomic number
Decreasing atomic mass
Increasing atomic number
Increasing atomic mass
Modern periodic law had been given by ____
Moseley
Mendeleev
Lavoisier
Lother-Mayer
How many periods and groups are present in the periodic table?
7 periods and 18 groups
8 periods and 7 groups
7 periods and 7 groups
8 periods and 8 groups
The elements in group zero are called___
Alkali metals
Transition metals
Inert gases
Alkali Earth metals
In periodic table elements with same number of shells/orbits are placed in___
Different groups
same groups
same periods
different periods
Which of the following elements has 2 shells and both are completely filled?
Helium
Neon
Calcium
Boron
Transition metals are found between group number___
1 to 2
13 to 18
3 to 12
1 to 8
An element X belongs to the 3rd period and 1st group of the periodic table. What is the number of valence electrons in its atom?
1
3
6
8
An element M is in group 13th of the periodic table, the formula for its oxide is
MO
M2O3
M3O2
MO2
What is the other name for group 17 elements?
Noble gases
Alkali metals
Alkali earth metals
Halogens
