1) (Limiting Reagent Problem) If 21 grams of lithium metal and 28 grams of oxygen gas are placed together in a container and allowed to react according to the unbalanced equation how many
grams of lithium oxide would be produced by the reaction? What are the limiting and excess
reactants? What is the percent yield of lithium oxide if the actual yield is 14 grams of Lithium
Oxide?
4
Li +
1
O2 →
2
Li2O

periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.

the correct answer would be d. hope this !

it’s previous models   because when i picked that son of a gun’s answer it was wrong look for previous models because they might make it a different letter