3. Melting point of four solids A, B, C and D are 299 K, 111K, 150K, 340K. their inter
particle forces of attraction are in the order:
(a) A (b) B (c) C (d) B

How much energy moves onto the next level, in an energy pyramid

Reaction rate depends on how many molecules are coming into contact with each other with enough energy to react. increasing the temperature of the reactants will increase -

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided