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pickupchik [31]
3 years ago
13

The red balls represent _____ and have a positive charge.

Chemistry
1 answer:
AysviL [449]3 years ago
4 0
The answer is protons. Neutrons have no charge and electrons have a negative charge so the positive charge must be protons.
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a weighing balance, a measuring cylinder, a spatula, a beaker/flask, and a stirrer

Explanation:

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The weighing balance would be used to weigh out the required amount of sodium chloride. The beaker or flask would be placed on the weighing balance and its weight zeroed. The spatula would then be sued to take out the sodium chloride from its container into the beaker till the required amount is reached. The measuring cylinder would then be used to measure out the required volume of water which would be added to the salt in the beaker. The stirrer would then be used to stir the mixture in order for the salt to dissolve.

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-<u><em>Oxygen</em></u>

According to Google these are the percentages of the <em>Earths Atmosphere</em>

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