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murzikaleks [220]
3 years ago
12

How do you represent a shared pair of electrons when drawing the Lewis structure of a covalent bond

Chemistry
1 answer:
nataly862011 [7]3 years ago
6 0

Answer: Each pair of shared electrons is a covalent bond which can be represented by a dash.

Explanation:

In a Lewis dot structure, the central atom can share electrons through bonds with the surrounding atoms, and this can look like a dash between the atoms.

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3. What is the formula for the compound formed from the magnesium ion and nitrate?
bija089 [108]

Answer:

D.) Mg(NO₃)₂

Explanation:

Since magnesium (Mg) is a metal and nitrate (NO₃) is a polyatomic anion, they would combine to form an ionic compound. Magnesium would form the cation Mg²⁺ because it generally has 2 valence electrons. Nitrate always has a -1 charge.

In order for the overall compound to be neutral (have a charge of 0), there must be one Mg²⁺ and two NO₃⁻ ions in the compound (+2 + (-1) + (-1) = 0).

Therefore, the formula for the compound formed is Mg(NO₃)₂.

8 0
2 years ago
Is h2c2o4 an Arrhenius base or arrhenius acid
maksim [4K]
Answer:
            Oxalic Acid is and Arrhenius Acid.

Explanation:
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Therefore, Oxalic Acid is a diprotic substance, which is capable of donating protons in water. This acidity of oxalic acid can be dedicated to the stability of conjugate base, this stability comes from resonance of the negative charges on Oxalate ion. Below reaction shows the dissociation of Oxalic Acid into Protons and Oxalate Ion.

6 0
3 years ago
Please help! Urgent!
sineoko [7]

Answer:

?

Explanation:

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8 0
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The magnesium reacts with the hydrochloric acid to produce a gas and a salt.
jok3333 [9.3K]

Answe r H2

Explanation:

Mg +HCl=MgCl2 +H2

3 0
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An atom of element A has 108 protons. What would the elements atomic number be?
marusya05 [52]

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