Which element in Period 4 of the periodie table exhibits the most normetallic properties? 1) Ca
2) Cr
3)Ga
4) Br

Why are people not able to scuba dive in the deep part of the ocean

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.

Why do cells appear different in distilled water than they do in 10% salt water?