Jamb 2014 Chemistry Past QuestionsQuestion 6:An element X has electron configuration 1s2 2s2 2p6 3s2 3p5. Which of the following statements is correct about the element? A. Lt has a completely filled p-orbital B. Lt has 5 electrons in its outermost shell. C. Lt belongs to group ll on the periodic table D. Lt is a halogen Question 7:Beryllium and aluminium have similar properties because they A. Are both metals B. Belong to the same group C. Belong to the same period D. Are positioned diagonally to each other Question 8:If the difference in electronegativity of elements P and Q is 3.0. The bond that will be formed between them is A. Metallic B. Covalent C. Co-ordinate D. Ionic Question 9:How many protons, neutrons and electrons respectively are present in the element 60/27 Co? A. 27, 33 and 33 B. 33, 27 and 27 C. 27, 33, and 27 D. 60, 33 and 60 Question 10:The radio active radiation used in studying the arrangement of particles in giant organic molecules is A. \(\gamma\)- rays B. \(\alpha\)- particles C. X-rays D. \(\beta\) - particles |
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