Chemistry, 01.09.2020 01:01 Solany6426
1.50
Which of the following statements could be true according to the atomic masses on the periodic table? E
Statement
True or
False
Explanation
False
a. Si-28 is higher in abundance than Si-30.
b. Argon consists of a roughly 50:50 mix of
Ar-36 and Ar-40
c. Strontium is predominantly composed of
Sr-86.
d. Neon is composed of a near equal mix of
Ne-20 and Ne-21
Answers: 2
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Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a β3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a β3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a β3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a β3 charge on the phosphorus atom.
Answers: 3
Chemistry, 22.06.2019 23:00
What is the name of the enzyme that forms at the start of transcription?
Answers: 1
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Answers: 3
Chemistry, 23.06.2019 06:30
The polarity of an oxygen-hydrogen bond is higher than the polarity of a nitrogen-hydrogen bond, allowing amines to be more soluble than alcohols.
Answers: 3
1.50
Which of the following statements could be true according to the atomic masses on the periodic...
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