Explain how chemists can state with certainty that no one will discover an element that would appear on the periodic table between sulfur and chlorine.

Two things that biomedical has invented or innvated

In all living cells dna controls cellular activities by

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.