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denis23 [38]
2 years ago
7

How many orbitals are completely filled in an atom that has 12 electrons?

Chemistry
1 answer:
Irina-Kira [14]2 years ago
4 0
There are 2 full orbitals and 2 electrons left over.
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Look at the dots around each symbol and the energy levels from the resources above;
Anton [14]

Hello! Here's the answer I was able to come up with:

<em>Why does Na have only one dot?</em>

Sodium, or Na, has only one valence electron.  (This makes the atom tend to participate in ionic bonding and "give" its single valence electron to an atom like chlorine.)

<em>Why do none of these diagrams show more than 8 dots?</em>

It is physically impossible for an atom to have more than 8 electrons in its valence layer, according to the Octet Rule.

<em>What relationship do you notice between the dots in these two charts?</em>

The dot diagram for each element represents the number of electrons each element will have in its outermost, or valence, shell. (2-8-8)

<em>The number of dots that hydrogen and helium have in their dot diagram is the same as the number of electrons shown for them on the Periodic Table. Why?</em>

An atom can have a maximum of two electrons in its innermost layer. Hydrogen and helium have only one and two electrons, respectively, so they don't have enough electrons to actually have more than one layer. Therefore, their outermost layer is, in fact, their only layer. This is why the number of dots that hydrogen and helium have in their dot diagram is the same as the number of electrons shown for them on the Periodic Table.

Don't copy this word for word! You will most likely be in trouble for plagiarism.  Instead, rewrite these ideas in your own words, or paraphrase. Good luck, and I know you can do it! ♥  

6 0
3 years ago
Naming ionic compounds what are the structural units that make up ionic compounds and how are they named answers
Marizza181 [45]
Ionic compounds are the combination of two elements, one of which is a metal, while the other is a nonmetal. The intermolecular forces binding them is called an ionic bond. To name an ionic compound, take the name of the metal element first, followed by the nonmetal, but adding the suffix -ide. For example, NaCl is named as sodium chloride.
8 0
3 years ago
Please help!!! What is electrolysis?
Evgen [1.6K]

Explanation:

plzz tell me the ans even i also want to know plzzzz someone say ans

5 0
2 years ago
Read 2 more answers
Colorimetric methods of analysis are based on having a reagent that changes _____________ as a function of the concentration of
GREYUIT [131]

Colorimetric methods of analysis make use of Color changes in reagents to decipher the concentration of solutions.

Therefore, color completes the sentence

<h3>Colourimetric analysis</h3>

Generally, Colorimetric analysis is used to know the concentration of a chemical element in a solution while using colour indicators or reagents.

Therefore

Colorimetric methods of analysis are based on having a reagent that changes Color as a function of the concentration of the analyte.

Color

For more information on  Compound

brainly.com/question/704297

3 0
1 year ago
Please help!!
Olegator [25]
Molarity =  Moles/Liter

Use the molecular atomic mass of NaCl to convert from grams to moles.
Molecular mass of NaCl is the sum of its atomic masses. Look at the periodic table to find these. Na is 23 g/mol and Cl is 35.5 g/mol ,
so NaCl = 23 + 35.5 = 58.5 g/mol

multiply to cancel out grams
76 g NaCl * (1mol / 58.5 g NaCl) = 1.3 mol NaCl

over 1 Liter is just 1.3 M NaCl
Hope this helps!
8 0
3 years ago
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