Each element in the periodic table can be represented by a chemical symbol. Match each element to its chemical symbol.

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The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

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.