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Salsk061 [2.6K]
2 years ago
13

Atom , classify ithelppoppppoeowiie​

Chemistry
1 answer:
timama [110]2 years ago
5 0

Answer:

A atom is a small unit to which matter can be divided without releasing electrically charged particles

Explanation:

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castortr0y [4]
Kinetic energy is the correct answer for this question
4 0
3 years ago
Chemistry neeeeeeed help!
ryzh [129]
<h3> <u>ANSWER</u> </h3>

4. O²-

<h3><u>EXPLANATION</u> </h3>

O²- has 16 electrons while Ne has 18 electrons. O²- is a molecule that has one electron added to each atom, meaning that there are two extra electrons which makes O²- the same electron configuration as of Ne atom.

8 0
2 years ago
When may a scientific theory be revised
harina [27]

Answer:

A theory doesn’t change into a scientific law because of new or better evidence.

Explanation:

A theory will always remain a theory, and i law will remain a law. The reason being that theories and laws may differ on account of newfound countervailing evidence. Remember, theories and laws are very different from hypotheses.

8 0
3 years ago
How do the melting and boiling points of water compare to that of other molecular compounds of similar molar mass?
sergey [27]

Answer:

The answer is D.

Explanation:

3 0
2 years ago
What is the formula for pH?
netineya [11]

Answer:

To calculate the pH of an aqueous solution you need to know the concentration of the hydronium ion in moles per liter (molarity). The pH is then calculated using the expression: pH = - log [H3O+].

Example: Find the pH of a 0.0025 M HCl solution.

4 0
2 years ago
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