The correct formula for magnesium nitrate?
Question 12 options:

MgNO3

Mg2NO3

Mg(NO3)2

Mg2(NO3)2

Mg(NO3)2

Explanation:

Look at the charges of the cation and anion. Mg has a +2 charge while NO3 has a -1 charge. You’ll need 2 NO3 molecules to cancel the charge of Mg for a neutral compound. This is how they should be balanced unless they give a total charge in the question.

indicate valleys, hills, steepness and gentleness of slopes.

explanation:

contour lines on a map indicate elevation, or depth. numeric notations on contour lines refer to the level of elevation, or height about sea level.