Magnesium has 12 protons. what charge do you expect it to have when it ionizes? why?

This element has +2 charge on it.

Explanation:

An ion is formed when an atom looses or gains electrons.

Magnesium is the 12th element of the periodic table having electronic configuration of

This element will loose 2 electrons to attain stable electronic configuration and leads to the formation of a cation having formula

Hence, this element has +2 charge on it.

im not exactly sure but i think its b!

the best answer is d because the strong cohesion is caused by the ability of water molecules to undergo hydrogen bonding.

a is incorrect because when water solidifies, it becomes   ice, which expands and occupies a bigger volume for the same mass of water in its liquid state.

b is incorrect because water has high surface tension. besides bonding to itself it hydrogen bonds to other molecules at the top decreasing possibility for breaking of attractive forces.

c is incorrect because the water molecule has oxygen which is highly electronegative and so pulls the electron pair towards itself creating a dipole moment, making the molecule polar.

e is incorrect because water has strong adhesion, ability to stick to other molecules such as glass because of this molecules having stronger hydrogen bonding than water.