Biology, 25.04.2021 04:50, devinluck100
Atom X has 17 protons. How many electrons are in its valence shell (outermost energy level)?
A. 7
B.3
C.5
D.10
Answers: 1
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When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity
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Biology, 22.06.2019 06:10, HOTaco1837
You are working in the lab and are working with the same element but with varying isotopes of the element. you are working with c-11, c-13, c-14, and c-15. what is the average atomic mass of this element? (use periodic table) a- 12 b-15 c-14 d-13
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Answers: 3
Atom X has 17 protons. How many electrons are in its valence shell (outermost energy level)?
A. 7<...
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