Explanation:
metallic conduction:the movement of electrons through a metal, with no changes in the metal and no movement of the metal atoms.
I hope this help uuhh............
Answer:
controlled variables
h2
the gravity
i hope you help this answer
1. 2Ca + N → 2CaN
2. 4Li + O → 2LiO
3. 2KCl + BaF → 2KF + BaCl
4. CH + 2O → CO + 2HO
Be sure to balance the number of atoms on both sides of each equation only by adding coefficients to the compounds!!!! Those without a coefficient are meant to have a coefficient of 1.