4. निम्नलिखित समुच्चयबोधकों द्वारा वाक्य बनाइए- अथवा, अन्नथा, एवं, और, वरना, क्योंकि, जिससे कि, यदि-तो. जब-तब, किंतु

If an atom has no charge, what can we say about the subatomic particles in the atom? a) there will be the same number of protons and neutrons, but a different number of electrons. b) there will be the same number of electrons and neutrons, but a different number of protons. c) there will be the same number of protons and electrons.