EVERYDAY SCIENCE

Detailed explanation-1: -The protons and neutrons in the nucleus make up almost all of the mass of an atom. Protons are positively charged, while neutrons have no charge. The nucleus is positively charged since it is made up exclusively of protons and neutrons.

Detailed explanation-2: -All right letter d tells us that the nucleus is made of protons and neutrons and has a positive charge. Finally, we have a correct statement here because it says protons and neutrons with a positive charge.

Detailed explanation-3: -Atomic nuclei consist of electrically positive protons and electrically neutral neutrons. These are held together by the strongest known fundamental force, called the strong force. The nucleus makes up much less than . 01% of the volume of the atom, but typically contains more than 99.9% of the mass of the atom.

Detailed explanation-4: -The nucleus is a small, dense region at the center of the atom. It consists of positive protons and neutral neutrons, so it has an overall positive charge. The nucleus is just a tiny part of the atom, but it contains virtually all of the atom’s mass.

Detailed explanation-5: -The answer is (a) An atom has an equal number of electrons and protons. Explanation: An atom is electrically neutral because the number of protons is always equal to a number of electrons. Hence option a) is right.