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storchak [24]
3 years ago
12

Elements within the same group of the periodic table behave similarly because they have the same number of ?

Chemistry
1 answer:
sammy [17]3 years ago
4 0
The elements in each group have the same number of electrons in the outer orbital. Or also called valence electrons. Khan academy has a great video online explaining why this happens. (It only happens for main group elements). Here is a link (sorry you can’t click it in Brainly) https://www.khanacademy.org/science/chemistry/periodic-table/copy-of-periodic-table-of-elements/v/periodic-table-valence-electrons. Feel free to message me for a better explanation, I would explain now but I’m not sure how much you know about this. If you know how to write an electron configuration you can see how all the electron configurations for the same group (not the transitional metals only the main groups) have the same number of valence electrons. I hope that helped, sorry I was vague about the explanation :)
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vekshin1
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neutrons : no charge , about the same mass as a proton , in the nucleus

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How many grams of aluminum chloride must decompose to produce 78.3 milliliters of aluminum metal, if the density of aluminum is
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1mol aluminium chloride gives 1mol aluminium and 3mol chloride
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nirvana33 [79]

Answer:

Hi ,

Answer:

A chemical energy is changed to a electrical energy

3 0
3 years ago
3. Which of the following sentences apply to neutrons? a. have a negative charge. b. circle around the atom nucleus. c. are the
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d.have a mass of 1 amu..

Explanation:

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3 0
2 years ago
In a piece of metal, what holds the atoms together?
alexandr1967 [171]

Answer:

the positive charges of the nuclei and the negative charges of delocalized electrons

Explanation:

The interatomic forces that joins a piece of metal atoms together are the positive charges of the nuclei and the negative charges of delocalized electrons.

This bond type is the metallic bond.

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7 0
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