Chemistry, 11.02.2020 20:23, tagerryawilson6
Identify the missing information for each atom or ion. Note that the atoms and ions are not necessarily neutral.
A Se ion has a mass number of 78 and a charge of −2 . Determine the number of neutrons, protons, and electrons in this ion.
number of neutrons:
number of protons:
number of electrons:
An ion has a mass number of 65, 36 neutrons, and a charge of +1 . Identify the element symbol, and determine the number of protons and electrons in this ion.
element symbol:
number of protons:
number of electrons:
An atom or ion has 42 neutrons , 36 protons, and 36 electrons. Identify the element symbol, and determine the mass number and charge for this atom or ion.
element symbol:
mass number:
charge:
Answers: 1
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Which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology
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Chemistry, 22.06.2019 12:30, pup88
According to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? view available hint(s) according to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? trigonal bipyramidal tetrahedral square planar determination of electron geometry requires information on whether the electron groups are lone pairs or bonding groups.
Answers: 2
Identify the missing information for each atom or ion. Note that the atoms and ions are not necessar...
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