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soldi70 [24.7K]
3 years ago
5

Which group on the periodic table would have zero electronegativity because they have a full octet?

Chemistry
2 answers:
irakobra [83]3 years ago
4 0
The answer is Noble gas because they have a full octet
son4ous [18]3 years ago
3 0

Answer:

The correct answer is the option: inert or noble gases.

Explanation:

Hello!

Let's solve this!

Let's analyze each of the options:

-inert or noble gases: they have the complete octet, so they have zero electronegativity.

-alkaline earth metals: they don't have the full octet and tend to give up electrons.

-alkali metals: they don't have the complete octet and tend to give up electrons.

-halogens: they don't have the complete octet and tend to accept electrons.

After the analysis we conclude that the correct answer is the option: inert or noble gases.

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4 0
3 years ago
How many moles of oxygen atoms are in 1.2x10^25 diphosphorus pentoxide molecules
insens350 [35]

Answer:

19.9 atoms

Explanation:

Grams --- Moles --- Atoms

You're converting from atoms (molecules) to moles.

You do not have to calculate the mass of "di phosphorus pentoxide."

Since you're already given 1.2x10^25 atoms, you start with that. You need to cancel out the atoms, so you need Avogadro's number as shown in the image.

(This has nothing to do with the problem) But in case if you're wondering, the "di" in phosphorus means there's 2 phosphorus and the "pent" means that there are 5 oxygens. So P2O5. Go to your periodic table, multiply their respective atomic masses. You would multiply phosphorus twice and oxygen 5 times. And add them up to get the overall mass.

I hope this helped!

3 0
2 years ago
In the chemical equation Zn + 2HCl ZnCl2 + H2, the reactants are
Rudik [331]

Answer : The correct option is A.

Explanation :

The given chemical reaction is,

Zn+2HCl\rightarrow ZnCl_2+H_2

In the reaction, Reactants are present on the left side of the arrow and products are present on the right side of the arrow.

Reactants are those which takes part in and undergoes change during the reaction.

Products are those which are formed during the reaction.

In the given reaction, zinc react with hydrochloric acid to form zinc chloride and hydrogen gas.

Therefore, the reactants are zinc and hydrochloric acid.


4 0
3 years ago
Read 2 more answers
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