Atomic Structure
A neutral atom of an element has a nucleus with nuclear charge $$11$$ times and mass $$23$$ times that of hydrogen. Find the ratio of no. of electrons to protons present in its stable ion.
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Single Choice
An atom of an element has 11 protons, 11 electrons, and 12 neutrons. The atomic mass of the atom is:
A23
Correct Answer
B30
C22
D24
Solution
The atomic mass of an atom is the sum of protons and neutrons in an atom.
Atomic mass= No.of protons +No. Of Neurons
$$=11+12$$
$$=23$$
Hence, the correct option is $$(A)$$
SIMILAR QUESTIONS
Atomic Structure
The definitive experiments with cathode-ray tubes were done by ______ in 1879.
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Which is correct statement about proton?
Atomic Structure
A neutral atom of an element has a nucleus with nuclear charge $$11$$ times and mass $$23$$ times that of hydrogen. Find the ratio of no. of electrons to protons present in its stable ion.
Atomic Structure
Proton is:
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