How many dots are around the Na in the Lewis symbol for an neutral atom of Sodium?

How many dots are around the Na in the Lewis symbol for an neutral atom of Sodium?
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The exchangeable sodium ratio (ESR) can be calculated as ESR = Exchangeable (C2+ + Mg2+)/Exchangeable Na+ ESR = Exchangeable Na+ / ESR = Exchangeable Na+ / Exchangeable (Ca2+ + K+) ESR = Exchangeable Na+ / Exchangeable (Ca2+ + Mg2+)

Description : The exchangeable sodium ratio (ESR) can be calculated as ESR = Exchangeable (C2+ + Mg2+)/Exchangeable Na+ ESR = Exchangeable Na+ / ESR = Exchangeable Na+ / Exchangeable (Ca2+ + K+) ESR = Exchangeable Na+ / Exchangeable (Ca2+ + Mg2+)

Last Answer : ESR = Exchangeable Na+ / Exchangeable (Ca2+ + Mg2+)

Sodium adsorption ratio (SAR) can be calculated by using of formula (a) SAR = Na+ / (b) SAR = Na+ / (c) SAR = Ca2+ + Mg2+ / (d) SAR = Na+ /

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What is the name and chemical formula of the main product formed by heating baking soda. (a) sodium carbonate,Na 2 CO 3 (b) Bleaching powder ,CaOCl 2 (c) sodium chloride,Na Cl (d)Plaster of paris ,CaSO 4 .I/2H 2 O

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Sodium valproate has been shown to: A. Prolong neuronal Na+ channel inactivation B. Attenuate ‘T’ type Ca2+ current in neurones C. Inhibit degradation of GABA by GABA-transaminase D. All of the above

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An aqueous solution of sodium chloride is prepared by dissolving 10kg of sodium chloride in 50 kg of water find (i) Weight % (ii) Mole % of solution. [Atomic weight of Na = 23, Cl = 35.5]

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Last Answer : Weight of NaCl = 10 kg Weight of H2O = 50 kg Total weight = 60 kg Weight % of NaCl = (10/ 60) * 100 =16.67% Weight % of H2O = (50/ 60) * 100 = 83.33% Molecular weight of NaCl = 58.5 k moles of NaCl ... 100 = 5.79% Mol % of H2O = (moles of H2O / Total moles)*100  = (2.78/ 2.949)*100 = 94.26%

What is the ground-state configuration for Na+? The atomic atomic number for sodium is eleven.

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Compare the mass of an atom of each of these elements. Type the symbol that makes this statement true. (< or >) Press Enter. lithum carbon?

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A white sodium salt dissolves readily in water to give a solution which is neutral to litmus. When silver nitrate solution is added to the aforementio

Description : A white sodium salt dissolves readily in water to give a solution which is neutral to litmus. When silver nitrate solution is added to the aforementio

Last Answer : A white sodium salt dissolves readily in water to give a solution which is neutral to litmus. When silver nitrate solution ... . `S^(2-)` D. `Cl^(-)`

A white sodium salt dissolves readily in water to give a solution which is neutral to litmus. When silver nitrate solution is added to the solution, a

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Last Answer : A white sodium salt dissolves readily in water to give a solution which is neutral to litmus. When silver nitrate solution ... (3)^(2-)` D. `S^(2-)`

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