The atomic number of an atom is represented by English letter………
a) A
b) N
c) P
d) Z
Atoms of different elements have ……..atomic numbers.
a) same
b) different
c) not fixed
d) all of these
Atoms of same elements have……..….atomic numbers.
a) same
b) different
c) not fixed
d) all of these
The number of protons and neutron in carbon atom is 6 each. What will be its atomic number?
a) 6
b) 12
c) 36
d) 3
The number of protons and neutron in oxygen atom is 8 each. What will be its atomic number?
a) 8
b) 16
c) 64
d) 4
In modern periodic table, scientists arranged element on the basis of ………
a) atomic mass
b) atomic number
c) nucleon number
d) mass number
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by at 2025-02-10 03:40:20