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Vinvika [58]
3 years ago
9

How do we find the number of electrons in an atom?

Chemistry
1 answer:
Anon25 [30]3 years ago
5 0

I Believe this is the right answer:

Get a periodic table of elements. ...

Find your element on the periodic table. ...

Locate the element's atomic number. ...

Determine the number of electrons. ...

Look for the atomic mass of the element. ...

Subtract the atomic number from the atomic mass.

Hoped this helped!

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What main criterion determines major divisions in the geologic time scale?
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The answer is B. the occurrence of huge events in Earth's natural history

The geologic time scale is a system of chronological dating that relates geological strata to time. It is used by geologists, paleontologists, and other Earth scientists to describe the timing and relationships of events that have occurred during Earth's history.

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3 years ago
What is the name of a compound having the formula Al2O3? (5 points)
Andrew [12]

Answer:

4) Aluminum Oxide

Explanation:

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3 years ago
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Briefly discuss the 3 most important properties of metals
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Answer: Luster: Metals are shiny when cut, scratched, or polished.

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Explanation: Hope this helped!

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2 years ago
According to Le Chatelier’s principle, a change in pressure affects the chemical equilibrium of the reaction system under what c
charle [14.2K]
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What do Arrhenius acids have in common? What do Arrhenius bases have in common? Explain neutralization in terms of the Arrhenius
OLEGan [10]

Besides producing hydrogen ions in water, all Arrhenius acids have a few things in common. They have pH values anywhere from 0 up to 7, they taste and smell sour and they will turn pH paper pink, red, or orange.

<h3>What Arrhenius acids?</h3>

A substance that raises the concentration of H+ ions in an aqueous solution is known as an Arrhenius acid. Traditional Arrhenius acids are highly polarized covalent substances that dissociate in water to form an anion (A-) and the cation H+.

Aqueous Arrhenius acids have distinguishing characteristics that serve as a useful definition of an acid. Acids can turn blue litmus red, produce aqueous solutions with a sour taste, and react with bases and some metals (like calcium) to generate salts. The Latin word acidus/acre, which means "sour," is where the word acid originates.

Although the precise definition solely refers to the solute, the term "acid" is sometimes used to refer to an aqueous solution of an acid that has a pH lower than 8.

To learn more about Arrhenius acids from the given link:

brainly.com/question/22095536

#SPJ4

3 0
2 years ago
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