Which of the following statement is correct about the atom of an element ?

(a) an atom can have only protons and neutrons but no electrons.

(b) an atom can have only electrons and neutrons but no protons

(c) an atom can have only electron and proton but no neutron

(d) an atom must always have a proton, neutron and electron

Q. Which of the following statement is always correct?

(a) an atom has equal number of electrons and protons

(b) an atom has equal number of electrons and neutrons

(c) an atom has equal number of protons and neutrons

(d) an atom has equal number of electrons, protons and neutrons

Q. Question 17
Which of the following statement is always correct?

(a) An atom has equal number of electrons and protons
(b) An atom has equal number of electrons and neutrons
(c) An atom has equal number of protons and neutrons
(d) An atom has equal number of electrons, protons and neutrons

Q. Ever wonder when you look at things in the surrounding, what are they made up of? No? Everything in your surrounding including you, are made up of atoms. Now what is an atom? Atom is made up of electrons, protons and neutrons. Electrons revolve around the protons and neutrons. Protons are positively charged and electrons are negatively charged while neutrons have no charge. Protons are not free to move, hence only electrons can move if we provide them enough energy. The particle which is responsible for the heating of appliances is ______.

Q. As compared to ¹²C atom, ¹⁴C atom has
(a) two extra protons and two extra electrons
(b) two extra protons but no extra electrons
(c) two extra neutrons and no extra electron
(d) two extra neutrons and two extra electron.

Q. Atoms have electrons, protons, and neutrons as the fundamental particles. The electrical charge of an atom is-