Question

Choose the correct answer from the options given below.
1. What can we infer from the symbolic representation of hydrogen. IH?
a. Hydrogen has 1 electron
c. Hydrogen has 0 neutrons.
b. Hydrogen has 1 proton.
d. All of these
2. What is the total number of protons and neutrons present in an atom of an element
known as?
a. Atomic number b. Atomic shell c. Mass number d. Isotope
3. What was observed about most of the a-particles during Rutherford's gold foil experiment?
They passed undeflected through the foil. b. They were deflected by small angles.
c. They were deflected by large angles. d. They rebounded their path completely.
4. What is 1 amu equal to?
a. Mass of 1 hydrogen atom
b. 1/12th the mass of C-12 atom
c. 1/12th the mass of O-16 atom
d. 1/16th the mass of 0-16 atom
5. Which is the valence shell of oxygen?
a. K shell
b. L shell
C. M shell
d. N shell​

Answer 1

Answer:

1. What can we infer from the symbolic representation of hydrogen. IH?

Ans. Hydrogen has 1 proton.

2. What is the total number of protons and neutrons present in an atom of an element

known as?

Ans. Mass number

3. What was observed about most of the a-particles during Rutherford's gold foil experiment?

Ans. They rebounded their path completely.

4. What is 1 amu equal to?

Ans. Mass of 1 hydrogen atom

5. . Which is the valence shell of oxygen?

Ans. M Shell

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