WorksheetsPeriodic Classification of Elements
Total questions: 20
Worksheet time: 7mins
Each column in the periodic table is called ______.
block
In the modern periodic table elements are arranged by _____.
Which one is correct about mendeleev's periodic law
Properties of elements are periodic function of their atomic mass
the physical and chemical properties of elements are periodic function of their atomic number.
physical properties of elements are periodic function of their atomic weight.
chemical properties of elements are periodic function of their atomic number.
How many groups are there in modern periodic table?
8
9
18
17
The Newlands' law of octaves for the classification of elements was found to be applicable only up to the _______ element
potassium
calcium
cobalt
phosphorus
In which order do we need to put sodium, potassium, lithium, for Dobereiner's Law of Triads ?
lithium, sodium, potassium
sodium, lithium, potassium
potassium ,lithium, sodium
sodium, potassium, lithium
How many periods are there in Modern Periodic table?
6
7
5
8
Nonmetals are on the:
Left side
Right Side
Stairstep
what is the biggest group on the table
metals
nonmetals
metaloids
halogens
what is the name of group number 1
halogens
noble gases
alkali
alkaline earth
what is the name of group number 2
transition metals
halogens
metaloids
alkaline earth
what is the big group of metals called found within the metals
transition metals
nonmetals
noble gases
halogens
what group number are the noble gases
17
18
14
15
what group number are the halogens
18
1
2
17
what is the small group of elements called that include C,N,O
metals
nonmetals
metaloids
noble gases
where are the metaloids found
far left, vertical
stair step/diagonal
far right horizontal
at the bottom
Periodic law states that the elements are arranged according to their atomic ________ so that elements with similar chemical properties are in the same ________ and properties repeat periodically.
numbers, rows
masses, rows
masses, column
numbers, column
