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Sub-Atomic Particles

If two atoms ...

Question

If two atoms are isotopes, in what characteristic do they differ?

A

Number of protons

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B

Number of neutrons

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C

Number of electrons

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D

Atomic number

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E

Electronic charge

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Solution

The correct option is B Number of neutrons
Isotopes are atoms with the same number of protons but that have a different number of neutrons.

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_{5}^{10} B

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are two isotopes of Boron. What is the average atomic mass of B atom if they are present in 45.5 and 54.5 percentages respectively?

Q. Isotopes are atoms with the same number of protons , but differing numbers of neutrons . Isotopes are different forms of a single element.

Isotopes are the atoms of the same element; they have the same atomic number but different mass numbers. Isotopes have a different number of neutrons in their nucleus. If an element exists in two isotopes having atomic masses 'a' and 'b' in the ratio m: n, then average atomic mass will

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Different isotopes of the same element have the same position in the periodic table. The elements which have single isotope are called monoisotopic elements. Greater is the percentage composition of an isotope, more will be its abundance in nature.

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