The Essential part of Bohr’s Model is

The model states that electrons in atoms move in circular orbits around a central nucleus and can only orbit stably in certain fixed circular orbits at a discrete set of distances from the nucleus. These orbits are associated with definite energies and are also called energy shells or energy levels.

bohrs model and other models are really hard to understand but i hope this will help you!

answer:

technetium is the most reactive. this is followed by silver. the least reactive out of these three elements is strontium.

listen, you cant how young you were.

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