Answer:
11.009306 or 11.009
Explanation:
boron 11 has atomic mass of 11.009306
Answer:
true
Explanation:
when molecules of a solid substance is vibrating so, it means they are possessing average kinetic energy. thus, we can conclude that the statement all the molecules of a substance posses the average kinetic energy value is true.
Answer:
D)
Explanation:
because they have completely filled and stable electron shells. Using you periodic table, it can show you that the noble gases are furthest to the right and explain the way outer shells of electrons work.
have a good day :)
Magnesium(?)
<span>2 HCl + Mg ? MgCl2 + H2</span>
