chapter8

Question 1

what are atoms

Answer 1

atom is the smallest unit of element.

Question 2

what are the subatomic particles of atoms

Answer 2

Proton
Electron
Neutron

Question 3

charges in an atom

Answer 3

an atom has equal number of proton and electron. The number of positive charge is equal to the number of negative charge. Thus an atom is said to be neutral.

Question 4

structure of an atom

Answer 4

proton: +1( in nucleus)
Electron: -1 (in electron shell)
Neutron : 1 ( in nucleus)

Question 5

structure of an atom
neuclon

Answer 5

Nucleon ( mass number) is the sum of the number of protons and neutron in the nucleus of an atom

Question 6

structure of an atom in proton

Answer 6

proton (atomic) number is the sum of the number of protons and neutron.