What is the complete ionic equation for the reaction between Na 2 SO 4 and CaCl 2 ?

This will fix the amounts of elements we ignored in the first step. 4) Balance equation: BaCl2(aq) + Na2SO4(aq) → BaSO4(s) + 2 NaCl(aq) Page 2 chemistrynoteslecture.com © 2011 ChemThis will fix the amounts of elements we ignored in the first step. 4) Balance equation: BaCl2(aq) + Na2SO4(aq) → BaSO4(s) + 2 NaCl(aq) Page 2 chemistrynoteslecture.com © 2011 ChemThis will fix the amounts of elements we ignored in the first step. 4) Balance equation: BaCl2(aq) + Na2SO4(aq) → BaSO4(s) + 2 NaCl(aq) Page 2 chemistrynoteslecture.com © 2011 ChemThis will fix the amounts of elements we ignored in the first step. 4) Balance equation: BaCl2(aq) + Na2SO4(aq) → BaSO4(s) + 2 NaCl(aq) Page 2 chemistrynoteslecture.com © 2011 Chem

Explanation:

8

explanation:

each principal energy level above the first contains one s orbital and three p orbitals. a set of three p orbitals, called the p sublevel, can hold a maximum of six electrons. therefore, the second level can contain a maximum of eight electrons - that is, two in the s orbital and 6 in the three p orbitals.

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metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

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