HARD
RRB Group D CBT
IMPORTANT
Earn 100
Consider the following statements:
An atom consists of a positively charged sphere and the electrons are embedded in it.
The negative and positive charges are equal in magnitude. So, the atom as a whole is electrically neutral.
Which of the statements given above is/are correct about Thomson's model of an atom?
An atom consists of a positively charged sphere and the electrons are embedded in it.
The negative and positive charges are equal in magnitude. So, the atom as a whole is electrically neutral.
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Important Questions on Atomic Structure and Chemical Bonding
EASY
RRB Group D CBT
IMPORTANT
Which of the following statements with regard to isotopes and isobars is/are correct?
Isotopes have the same mass number.
Isobars have the same atomic number.
Select the correct answer using the codes given below.
HARD
RRB Group D CBT
IMPORTANT
Match the Column I with Column II and select the correct answer using the codes given below:
| Column I | Column II | ||
| A. | Ionic bond | . | |
| B. | Covalent bond | . | Diamond |
| C. | Molecular bond | . | Iodine |
| D. | Hydrogen bond | . |
