KNEC KCSE Chemistry Paper 1 Question Paper / 2016 KCSE 4MCK Joint Exam
KNEC KCSE Chemistry Paper 1 Question Paper / 2016 KCSE 4MCK Joint Exam 2016 KCSE 4MCK Joint Exam Chemistry Paper 1 1. a) Explain why an atom is electrically neutral. (1 mark) ……………………………………………………………………………………………… ……………………………………………………………………………………………… b) An ion is represented as P3- and the electron arranged is 2⋅8⋅18⋅8. Write the electron arrangement of the atom. (1 … Read more