QUESTIONS: 1(a) List two properties of alpha particles. (b) X is an element which exist as an isotopic mixture containing 90% of 3919X and 10% of 4119X. (b)i. How many neutrons are present in the isotope 4119X? ii. Ca…
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1. When sodium atom forms the ion Na+, A. it gains one electron B. it gains one proton C. it achieves a noble gas configuration D. its atomic number increases. FOR MORE EXPLANATION CLICK HER…
1 . C for more understanding click here 2 . A 3 .C 4 .C 5 .A 6 .B 7 .A 8 .C 9 .B 10 .C 11 .A …
