Introduction:
Centre of the atom consists of dense nucleus formed with protons and neutrons, the subatomic particles which are surrounded by electrons. Each proton that is present in the nucleus of atom carries positive charge and neutron carries no charge. The charge on each electron surrounding nucleus is negative. An atom’s mass number is the total number of neutrons and protons present in its nucleus.
Answer to Problem 1MCQ
Correct answer:
A
Explanation of Solution
Reason for the correct statement:
Option a. is given as “
Hence, option a. is correct.
Reasons for the incorrect statements:
Option b. is given as “
Option c. is given as “
Option d. is given as “
Hence, options b., c., and d. are incorrect.
A
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Chapter 2 Solutions
Biology - Concepts and Investigations - 3rd Edition - Broward College Central