please answer the questions you DO NOT need to explain Chemistry tos Exam Page 2
ID: 849274 • Letter: P
Question
please answer the questions
you DO NOT need to explain
Chemistry tos Exam Page 2 which of the following elements typically formol a A RD C. Mg D. Ma and Ca 7 An isotope of calcium has an atomic mass of 40 and an atomie protons, neutrons and electrons does it have? Protons Neutrons Electrons C. 20 D. 15 E. 10 8. imaginary element has two isotopes. One isotupe has exists wit with 24.24 natural abundance. The other has a mass af37 gen amu. i natural abundance. Calculate the average mass in amu tu the figures. A. 36.967 B. 36.97 C. 37.482 D. 100.0 E. 37.48 9 If the average person weighs 1.30(1020 lbs, what would be the weight an t people? A. 130. lb B. 2.16(10-22) lb C. 6.0201023) lb D. 7.8300250 lb 7.69(10-3) lb Order the following elements based on their ability to conduct hear atu. highest to lowest using the greater than symbo As Ca F Highest Lowest F As Cu C. Cu As F As Cu FExplanation / Answer
6) A.)Rb
7) Ca = 20P+ and 20 neutrons 20 e^-
option B
10) option c is correct
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