Why is the equation incorrect? mg₃ + n₂ → mg₃n₂
(a) some of the subscripts are incorrectly used.
(b) the equation is not balanced.
(c) the valence of the nitride ion is incorrect.
(d) the valance of the magnesium ion is incorrect.
(e) the coefficient of n₂ is incorrect.
can someone explain this one?

24 points and brainliest to anyone who can answer under 10 minutes with best ! the table below shows the role of different substances during photosynthesis. substance role during photosynthesis glucose stores chemical energy water combines with glucose to form carbon dioxide chlorophyll traps sunlight which of the following statements would correct one of the roles listed in the table? glucose combines with carbon to form water. chlorophyll reacts with light to produce carbon dioxide. water combines with carbon dioxide during photosynthesis. chlorophyll stores chemical energy needed for photosynthesis.

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?

20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?