3 Mg + N + Mg, N, a. Which substance is losing electrons?
b. Which substance is galning electrons?
c. Which substance is oxidized?
d. Which substance is reduced?

Draw the lewis dot structure for each of the following polyatomic ions

The diagram below shows the movement of particles. what does this piece of evidence best support? the collision theory the maxwell-boltzmann distribution the effect of pressure on reaction rates the effect of temperature on reaction rates

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth