There are two elements 13 (A )and 14 (B).
Find the number of sub-atomic particles in each of these. What is the relation between these atoms?
Particles
Mass number
Atomic number
No. protons
No. electrons
No. neutrons
A
26
13
13
13
13
B
26
14
14
14
12

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Solution

Isobars: Elements that have the same mass number but different atomic numbers are known as Isobars.
Therefore elements ‘A’ and ‘B’ have a same mass number but different atomic numbers, these are related to each other as isobars.

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Particles	Mass number	Atomic number	No. protons	No. electrons	No. neutrons
A	26	13	13	13	13
B	26	14	14	14	12

There are two elements 13 (A )and 14 (B). Find the number of sub-atomic particles in each of these. What is the relation between these atoms? ParticlesMass numberAtomic numberNo. protonsNo. electronsNo. neutronsA2613131313B2614141412

Isobars: Elements that have the same mass number but different atomic numbers are known as Isobars.Therefore elements ‘A’ and ‘B’ have a same mass number but different atomic numbers, these are related to each other as isobars.

There are two elements 13 (A )and 14 (B).
Find the number of sub-atomic particles in each of these. What is the relation between these atoms?
Particles
Mass number
Atomic number
No. protons
No. electrons
No. neutrons
A
26
13
13
13
13
B
26
14
14
14
12

Isobars: Elements that have the same mass number but different atomic numbers are known as Isobars.
Therefore elements ‘A’ and ‘B’ have a same mass number but different atomic numbers, these are related to each other as isobars.