Which of the below substances would be a good conductor of electricity, and heat energy? A. NaCl (s)
B. NH 3(s)
C. Cu(s)
D. CH 3 CH 2 OH(I)

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.

Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand

Connect the whole numbers on the periodic table to indicate what they represent?