Because the first energy level contains only the 1s sublevel how many elements are located in the first periodic

Which are forms of frozen water? check all that apply. dew frost hail rain sleet

Correct relationship between molecular formula and empirical formula

The characteristics 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 an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.