Multiple bonds can form between atoms of a. Ca, Br, N and S. b. C, Br, N and S c. C, O, N and S. d. Ca, N, O, and S

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.

An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons