In synthesis reactions, there are always more than .

a) reactants, products

b) products, reactants

As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.

Which of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold

Calculate the temperature rise when 0.2g of propane is used to heat 400cm cubed of water.