Atomic structure questions | form two Chemistry

Find Atomic structure examination questions, form two Chemistry in acaproso.com

#	Question
1	The correct statement about metals is that:- A. React with acids to give gases. B. React with acids to give hydrogen gas. C. Have more than one valency. D. All have magnetism. Multiple choices
2	One isotope of an element has atomic number A and mass number M. How many neutrons are contained in the nucleus of its atom? A. M B. A C. A – M D. M – A Multiple choices
3	The total number of protons and neutrons in the nucleus of an atom is called: A. valency number B. atomic number C. molecule number D. mass number Multiple choices
4	The mass number of a carbon atom that contains six protons, eight neutrons, and six electrons is 6 14 8 12 20 Multiple choices
5	Which of the following chemical species have the same number of electrons. K⁺ , Ca²⁺ , Cl^- and Ar Cl, Be and O^2- O^2- , Ca²⁺ and Mg²⁺ Na⁺ , Mg²⁺ , Be²⁺ and Li Multiple choices

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