Which of the following groups contain three elements with stable electron configurations?
A. lithium, krypton, argon
B. argon, neon, barium
C. xenon, neon, boron
D. helium, xenon, neonWeegy:
D. helium, xenon, neon
Auto answered|Score .6|selymi|Points 8602|User:
Typically, atoms gain or lose electrons to achieve
A. an exchange of energy.
C. a stable electron configuration.
C. a stable electron configuration. The answer would be C because in any reaction in chemistry, reactants are trying to become in a state of equilibrium.Auto answered|Score 1|migzptz|Points 6237|User:
In an electron dot diagram, the symbol for an element is used to represent
A. the nucleus.
B. the nucleus and all electrons.
C. the nucleus and valence electrons.
D. the nucleus and all non-valence electrons. Weegy:
The symbol of an element in a Lewis structure or electron dot diagram represents the nucleus and all non-valence electrons (D).Auto answered|Score .97|shylo|Points 478|User:
The formation of an ionic bond involves the
A. transfer of electrons.
B. transfer of neutrons.
C. transfer of protons.
D. sharing of electrons. Weegy:
A. transfer of electrons.Auto answered|Score 1|Elle124|Points 298|User:
In the compound MgCl2, the subscript 2 indicates that
A. there are two magnesium ions for each ion of chlorine
B. the chloride ion is twice the size of the magnesium ion.
C. magnesium and chlorine form a double covalent bond.
D. there are two chloride ions for each magnesium ionWeegy:
D. there are two chloride ions for each magnesium ion. Auto answered|Score .977|shylo|Points 478|User:
Which of the following compounds does NOT contain molecules?
D. H2O Note:
I'm sorry that that wasn't a good answer. Please hold on while I contact an expert.Weegy:
B. NaCl > compounds does NOT contain molecule.Expert answered|sujaysen|Points 2351|Note:
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All Categories|No Subcategories|Expert answered|Rating 0| 7/22/2012 1:09:01 PM