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mart [117]
3 years ago
14

An ionic bond forms between sodium chorine when the sodium atoms _______ electrons.

Chemistry
1 answer:
Natalija [7]3 years ago
4 0

is 7 cus  the valance electron for sodium is Ne 3s1  and for chlorine is Ne 3s13p5

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In lab an experiment was performed to determine the empirical formula of magnesium
Nat2105 [25]

Answer:

The correct option is

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5 0
3 years ago
Please solve quickly
slavikrds [6]

Answer:

Explanation:

mass of one virus = 9.0 x 10⁻¹² mg

mass of one mole = 6.02 x 10²³ x mass of one virus

= 6.02 x 10²³ x 9.0 x 10⁻¹²

= 54.18 x 10¹¹ mg

= 54 x 10⁸ g .

= 54 x 10⁵ kg .

b )

let n be no of moles of virus that will be equal to weight of oil tanker

n x 54 x 10⁵ = 3 x 10⁷

n = 5.5555  

rounding off to 2 significant figure

5.6 moles Ans .

6 0
3 years ago
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