Answer:
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These Are All examples Of A physical property of a substance!
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Atoms have the same number of protons and electrons. Elements are a substance that is made entirely from one type of atom
Answer:
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5
Answer:
NaCl = 58.44g/mol
Explanation:
Na = 22.99/58.44 × 100 = 39.33%
Cl = 35.45/58.44 × 100 = 60.66%
Relative dating can also be done by comparing the relative ages of rock layers in different areas. A geologic column is an ordered arrangement of rock layers based on the relative ages of the rocks, with the oldest rocks at the bottom.
