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Elenna [48]
3 years ago
14

How are mass and weight affected in chemical reactions?

Chemistry
1 answer:
puteri [66]3 years ago
3 0

Answer:

How the chemical reacts

Explanation:

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A chemical formula for a molecular compound represents the composition of
Leni [432]

Answer:

A chemical formula for a molecular compound represents the composition of <u><em>a molecule.</em></u>

Explanation:

Chemical formulas are alphanumeric expressions that are used to indicate the composition of chemical substances. They consist of chemical symbols that indicate the elements that form a compound; The number of atoms provided by each element is also indicated by the use of a subscript, that is, a small number that is placed below and to the right of each element that so requires.  When an element does not have a subscript, it is understood that there is only one atom of it in the substance.

Each molecule corresponds to a chemical formula, as well as a name according to the rules of the chemical nomenclature.

Then, <u><em>a chemical formula for a molecular compound represents the composition of a molecule.</em></u>

4 0
3 years ago
The statement "electrons have a negative charge" is true. Select the correct evidence scientist have that proves this statement
Kryger [21]

The question is incomplete but i will try to offer as much help as i can.

Answer:

See explanation

Explanation:

The electron was discovered by J.J Thompson. His model of the atom was called the plum-pudding model of the atom.

He discovered that cathode rays being negatively charged particles were deflected by a magnet in just the same way as moving, negative electrically charged particles.

Similarly, in an electric field, they are deflected towards the positive plate of the electrostatic field which shows that they are negatively charged.

3 0
3 years ago
Describe an adaptation to a plant's life cycle and explain how this adaptation helps the plant survive. (2 points)
dusya [7]

Answer:

Aquatic plants that live underwater have leaves with large air pockets inside that allow the plant to absorb oxygen from the water.

8 0
2 years ago
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Electromagnetic waves that are harmful to living things are
Westkost [7]
B. both high energy and low energy waves
5 0
3 years ago
Which components of the atom have a positive charge?
Sveta_85 [38]

Answer:

protons have a positive, neutrons have no charge and electrons have a negative chage

Explanation:

4 0
3 years ago
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