Answer:
The number of electrons in the outermost shell of an element is represented in the periodic table as the group number that element is situated in the number of electrons in all shells of an element is represented in the periodic table as the element's atomic number.
Explanation:
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About 1 gram. 1 part of 50 is 2%
The answer is A. because as you can see it pulls the force
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B. Developing theories using many lines of evidence