3. for each of the following ions, indicate the number of protons
and electrons the ion contains.
a. ba2+
co²+
b. zn2+
f. te
g. br.
d. rb+
c. n3

Yes, endothermic means it turns cold. and some chemical changes include change of tempature.

Sun is explosive itself spread 9 planets.earth is 3rd explosive in the solar system about 500 hundred million years ago . first earth became ice age and freezing climate.centre of earth magma. north zone is artic . south is anatric

The answer is nitrogen-containing bases

Hello thereone of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description? answer: atomic mass  was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.