Physics, 14.11.2019 21:31, taylahflynn5123
If you read from left to right across a period in the periodic table, which statement is true?
a. the mass of the atoms increases.
b. the number of electrons decreases.
c. the properties of the elements are all roughly the same.
d. the elements are listed in the order they were discovered.
Answers: 3
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If you read from left to right across a period in the periodic table, which statement is true?
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