N2 + 3H2 → 2NH3
Coefficient of H2
Subscript of H2

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

Ants live on acacia trees in south america. the ants feed on sugars secreted by the trees. the trees provide room for the ants to live. the ants sting any other insect or animal that comes to eat the trees. what type of relationship is this?

When a beta particle is emitted, the mass number of the nucleus a. decreases by one b. increases by one c. remains the same d. decreases by two