How many valence electrons are in an atom of magnesium? a. 2 c. 4 b. 3 d. 5

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There are 2 valence electrons in an atom of magnesium.

jeifunk|Points 24257|

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Asked 5/28/2014 9:36:20 PM

Updated 5/29/2014 7:39:08 AM

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Confirmed by jeifunk [5/29/2014 7:39:08 AM]

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energy needed to break a single bond between two covalently bonded atoms

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Updated 5/29/2014 10:07:08 PM

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paral

Bond Dissociation Energy is the energy needed to break a single bond between two covalently bonded atoms.

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To form a negative ion, an atom will give up an electron to gain stability.

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Updated 5/30/2014 11:37:46 AM

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jeifunk

To form a negative ion, an atom will give up an electron to gain stability. FALSE.

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An alloy is a mixture of elements that has metallic properties.

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Updated 5/30/2014 12:57:58 PM

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jerry06

True. An alloy is a mixture of elements that has metallic properties.

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Confirmed by yumdrea [5/30/2014 1:02:45 PM]

What is the charge on the strontium ion?

Weegy: Strontium has a charge of (+2). (More)

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Updated 5/29/2014 7:32:35 AM

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In chemical compounds, atoms like to have 8 electrons in their outer shell, this gives them __________. a. the electron configuration of a noble gas b. more protons than electrons c. eight electrons in their principal energy level d. more electrons than protons

Weegy: c. eight electrons in their principal energy level (More)

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Updated 5/29/2014 7:39:44 AM

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jeifunk

In chemical compounds, atoms like to have 8 electrons in their outer shell, this gives them the electron configuration of a noble gas.

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