Chemistry, 16.08.2019 08:20 TeEvalyn9623
Write the atomic symbol (a zx) for each of the following isotopes. a. z $ 8, number of neutrons $ 9 b. the isotope of chlorine in which a $ 37 c. z $ 27, a $ 60 d. number of protons $ 26, number of neutrons $ 31 e. the isotope of i with a mass number of 131 f. z $ 3, number of neutrons $ 4
Answers: 2
Chemistry, 21.06.2019 17:00, dayjionneam
In the analysis of hair and fiber samples, which does a compound comparison microscope allow for that a conventional compound microscope does not? a. simultaneous observation b. polarization c. fluorescence d. higher magnification
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Chemistry, 22.06.2019 09:00, tashaunalewis4786
This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.
Answers: 1
Chemistry, 22.06.2019 22:30, arodavoarodavo
Which is a characteristic of the electron sea model for metallic bonding? molecular orbitals overlap to produce bands. electrons flow easily between metal nuclei. electrons are in fixed positions in the orbitals. atomic nuclei are arranged in an irregular pattern.
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Write the atomic symbol (a zx) for each of the following isotopes. a. z $ 8, number of neutrons $ 9...
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