KNEC KCSE Chemistry Paper 2 Question Paper / 2015 KCSE Kirinyaga West

KNEC KCSE Chemistry Paper 2 Question Paper / 2015 KCSE Kirinyaga West 2015 KCSE Kirinyaga West Chemistry Paper 2 1. a) An atom B (not actual symbol) can be represented as (i) What does 80 stand for ? ii) How many neutrons does it have? b) The grid below represents part of the periodic table. … Read more