What do you think the size of objects says about when they formed in the timeline of the universe? What evidence do you have to support your claim?

What is the relation between concentration of reactants and the rate of chemical reaction?

How many neutrons does a atom of cobalt have?

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.