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valentinak56 [21]
3 years ago
7

Chromium 6 is commonly referred to as?

Chemistry
1 answer:
sasho [114]3 years ago
5 0
<span>Chromium 6 is commonly referred to as?
Hexavalent chromium </span>
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Which of these is a characteristic of chemical change?
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The correct answer is c, it’s evaporating there for it’s a chemical change
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2 years ago
Compared to the charge of a proton, the charge of all electron has
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<span>Answer: option (4) the same magnitude and the opposite sign.
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Justification:
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</span><span>1) Electrons are negative particles thar are around the nucleus of the atom (in regions called orbitals).
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2) Protons are positive particles that are inside the nuclus of the atom.
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<span>3) The nucleus of the atom has the same number of protons as electrons are in the orbitals of the atom.
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4) The atoms are neutral (neither positive nor negative) because there are the same number of electrons and protons and their charge are of the same magnitude but different sign: (+) + (-) = 0: positive + negative = neutral.</span>
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3 years ago
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What do the suffix in a polyatomic ion mean
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3 years ago
What is the conversion factor for in^3 to cm^3
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5 0
2 years ago
Is iornIInitrate ionic or covalent
kondaur [170]

Answer:

Iron (II) nitrate is ionic compound

Explanation:

Formula:

Fe(NO₃)₂

Iron (II) nitrate is ionic compound.

Its molecular mass is 179.85 g/mol.

NO⁻₃ is anion while Fe⁺² is cation.

Iron loses its two electron which is accepted by nitrate.

Its molecular formula can be written as FeN₂O₆.

Its color is pale green.

Its melting point is 333.65 K.

It is para magnetic compound.

it is mostly present in non hydrated form.

It is also known as ferric nitrate.

It is used to form sodium amide.

Its is also used catalyst.

7 0
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