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Subjects
Science State Board
Class 10
Periodic Classifications of elements
The modern periodic law
20.
Match the followings: Features of periods
Exercise condition:
4
m.
Match the elements with their atomic number:
Elements
Atomic number
Helium
Atomic number \(2\)
Atomic number \(1\)
\(14\)
Atomic number \(0\)
Krypton
Atomic number \(19\)
Atomic number \(36\)
Atomic number \(18\)
\(35\)
Rubidium
\(53\)
Atomic number \(39\)
Atomic number \(54\)
Atomic number \(37\)
Francium
\(88\)
Atomic numbers \(87\)
Atomic numbers \(88\)
Atomic numbers \(118\)
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