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kykrilka [37]
3 years ago
8

The nervous system consists of the ________.

Chemistry
2 answers:
Oksana_A [137]3 years ago
3 0

Answer:

B

Explanation:

the answer is B hope this help

Mazyrski [523]3 years ago
3 0

Answer:

it B:))

Explanation:

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The teacher would use a dozen eggs and a dozen jellybeans to describe a mole.

A mole is simply a <em>number</em> of things.

Just as a dozen eggs is the <em>same number</em> as a dozen jellybeans, a mole of eggs is the <em>same number</em> as a mole of jellybeans.

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Which of the following statements is true about atoms?
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Atoms of the same element may have different mass numbers.

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Which of the following species contains manganese with the highest oxidation number?
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In NaMnO₄, Mn has the highest oxidation number.

The question is incomplete, the complete question is;

Which of the following species contains manganese with the highest oxidation number?

A) Mn

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In order to ascertain the specie that contains manganese with the highest oxidation number, we must calculate the oxidation number of manganese in each of the species one after the other.

1) For Mn, the oxidation number of Mn is zero because the atom is uncombined.

2) For MnF₂;

Mn has an oxidation number of +2

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Mn has an oxidation number of +2

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Mn has an oxidation number of +4

5) For NaMnO₄

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Hence in NaMnO₄, Mn has the highest oxidation number.

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3 years ago
The periodic table is useful because it is organized to show many patterns and trends. What property shows a decrease moving fro
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A decrease in moving from the bottom of Group 3 to the top of the group shows an increase in trend from top to bottom.

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Which description refers to cirrus clouds?
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b

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