3 years ago

1. All organisms are composed of…

Chemistry

1 answer:

Vera_Pavlovna [14]3 years ago

4 0

Answer:

A. one or more cells, because they are the basic unit of life.

Explanation:

The unified cell theory states that: all living things are composed of one or more cells; the cell is the basic unit of life; and new cells arise from existing cells.

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Manganese (Mn) has many possible oxidation numbers (+2 and +4 are just two of these). Write the correct formulas and names for t

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Oxide of manganese, Potassium permanganate, Manganese bromide and manganese oxide.

Explanation:

1. Manganese dioxide

Its chemical formula is $MnO_2$ . It is +4 oxidation state. It is a black solid which is fairly stable.

2. Potassium permanganate

Its chemical formula is $KMnO_4$ . It is commonly used in the laboratories as oxidizing agent. They appear black in color.

3 Manganese bromide

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3 years ago