Which of these statements about the organization of the periodic table is true?
a. elements i...
Chemistry, 23.08.2019 14:30 sydneip6174
Which of these statements about the organization of the periodic table is true?
a. elements in the same column have the same number of valence electrons.
b. elements near each other tend to react with each other.
c. elements at the top are less common than elements near the bottom.
d. elements are arranged in order of increasing mass number
Answers: 1
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Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest
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What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures
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