Question and answer
What is the molecular mass of potassium hydrogen carbonate (KHCO3)? A. 100 g/mol B. 68 g/mol C. 84 g/mol D. 116 g/mol
The molecular mass of potassium hydrogen carbonate (KHCO3) is: 100 g/mol.
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Expert answered|yumdrea|Points 44704|
Question|Asked by vitusyabb
Asked 10/17/2018 12:58:09 AM
Updated 12/8/2018 8:23:33 AM
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Confirmed by Jay901 [12/8/2018 8:23:33 AM]
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Questions asked by vitusyabb
The behavior of the _______ elements is not highly predictable. A. alkali earth metal B. noble gas C. transition D. nonmetal
Weegy: The behavior of the transition elements is not highly predictable. User: _______ is one element that has properties of both metals and nonmetals. A. Krypton B. Phosphorous C. Rubidium D. Arsenic Weegy: ARSENIC is one element that has properties of both metals and nonmetals. User: A potassium atom can achieve a stable octet by A. losing seven electrons. B. losing one electron. C. sharing one electron. D. gaining one electron. Weegy: A potassium atom can achieve a stable octet by: losing one electron. User: The difference between isotopes for the same element will be found in the atoms' A. number of electrons. B. number of neutrons. C. charges. D. number of protons. Weegy: The difference between isotopes for the same element will be found in the atoms' number of neutrons. (More)
Question|Asked by vitusyabb
Expert Answered
Asked 10/16/2018 12:39:30 AM
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Atoms of the group 15 elements tend to react to form _______ ions. A. 3- B. 5- C. 3+ D. 5+
Question|Asked by vitusyabb
Updated 10/16/2018 3:30:02 AM
1 Answer/Comment
Atoms of the group 15 elements tend to react to form 3- ions.

Added 10/16/2018 3:30:02 AM
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Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? A. Magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. B. Magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number. C. Magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. D. Magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number.
Question|Asked by vitusyabb
Not Answered
Updated 10/16/2018 3:22:44 AM
1 Answer/Comment
Magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. best describes the oxidation numbers of the atoms found in magnesium chloride.
Added 10/16/2018 3:22:44 AM
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Within a particular compound, an atom gives up two electrons. This atom is A. not part of an electrolyte. B. negatively charged. C. part of a covalent compound. D. positively charged.
Weegy: Within a particular compound, an atom gives up two electrons. This atom is positively charged. (More)
Question|Asked by vitusyabb
Expert Answered
Asked 10/16/2018 12:51:30 AM
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Atoms of the group 15 elements tend to react to form _______ ions. A. 3- B. 5- C. 3+ D. 5+
Question|Asked by vitusyabb
Updated 10/16/2018 3:22:17 AM
1 Answer/Comment
Atoms of the group 15 elements tend to react to form 3- ions.
Added 10/16/2018 3:22:17 AM
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