1) What is the maximum number of electrons that can be accommodated in an orbital? a) 2 b) 1 c) 4 d) 3 2) How many orbitals present 5f subshell? a) 3 b) 1 c) 7 d) 5 3) The chemical reactions which never go to completion are called what? a) Decompostion Reactions b) Replacement Reactions c) Reversible Reactions d) Combustion Reactions 4) Determine the empirical formula from the data and choose the correct answer a) c5H12O1 b) C6H2N6O3 c) C17H19NO3 d) CH5NO3

chemistry

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