#1: carbon has different isotopes. what is different between an atom of 12c and an atom of 13c?

a. number of protons in the nucleus

b. number of neutrons in the nucleus

c. number of electrons in the atom

d. number of protons and electrons in the atom

Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.

26. of of (aq) by (aq) is . if 50.00 ml of 1.05 m is to 25.00 ml of 1.86 m ,at be? ( no is toina of aof) , h.. (p. ). . .

Identify the electromagnets with poles that are reversed from the electromagnet shown above