Why is nickel located to the right of cobalt on the periodic table? a) nickel has one more proton than colbalt b) cobalt has one more neutron than nickel c) colbalt has a smaller atomic radius than nickel d) nickel has a smaller mass number than cobalt

Which statement best explains the relationship between an area is geography and the temperature of its surface water

Suppose you mix one mole of sulfuric acid (h2so4) with 1 mole of sodium hydroxide(naoh). why does the ph of the solution remain below 7? ( explain so i can get better understanding! )

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.