PHYSICS 10 SCIENCE · 2026–27 · A · Multiple choice · QUESTION 20.2 · EM p. 183–184

Atomic number counts neutrons, protons, all nucleons, or electrons plus neutrons?

جوہری عدد نیوٹران، پروٹون، کل نیوکلیون یا الیکٹرون و نیوٹران ہے؟

Solution & explanation

Protons in the nucleus; a neutral atom has the same number of electrons.

Independent study answer. Original textbook ↗ · English-medium printed page 183–184.