LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

ECOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which particle contributes the negative charge to the atom?
A
proton
B
electron
C
neutron
D
nucleus
Explanation: 

Detailed explanation-1: -The nucleus of an atom is surrounded by a cloud of electrons. Remember, electrons are negatively-charged and are attracted to the positively-charged protons in the nucleus. An atom is considered to be electrically neutral if it has an equal number of protons and electrons.

Detailed explanation-2: -A subatomic particle with a negative electric charge is called an electron. Compared with protons and neutrons, electrons are smaller in mass.

There is 1 question to complete.