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CHEMISTRY

Chemistry
Rutherford’s scattering experiment proved the presence of

Nucleus in atoms
Neutrons in atoms
Atoms in all matter
Electrons in atoms

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Chemistry
Number of neutrons in an atom of hydrogen is

Two
Three
Zero
One

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Chemistry
The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ?

6
18
Zero
12

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Chemistry
An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is

36
53
19
17

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Chemistry
Atoms of same element having different mass numbers are called________

Isotopes
Isomers
Isobars
Isotones

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