Question

The fundamental particles present in equal numbers in neutral atoms (atomic number $71$) are____________.

• A. protons and electrons
• B. neutrons and electrons
• C. protons and neutrons
• D. protons and positrons

Answer 1

The correct option is A protons and electrons

The fundamental particles present in equal numbers in neutral atoms (atomic number 71 protons and electrons. There are 71 electrons and 71 protons. The number of neutrons may be same as (or different than) 71.