Calculate the mass of the following (In grams) (a) 5.14 mol He

(b) 0.0428 mol Ni

(c) 1.45 mol Ti

(d) 0.00410 mol Ge

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.

Particles vibrate in a rigid structure and do not move relative to their neighbors.

How have the greenhouse gasses increased from the year 2000 to 2018