Question

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3) State the three pairs of equal parts in %
triangle PQS and triangle PRS
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Answer 1

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Answer 2

Answer:

No. Although two such atoms are essentially chemically identical (they will chemically react in the same way), they are not completely identical. ... The nucleus of an atom contains neutrons and protons bonded tightly together. The same chemical element can have a different number of neutrons and still be the same element.

Step-by-step explanation:

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