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3 years ago

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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When copper (ii) carbonate is heated if forms copper (ii) oxide and carbon dioxide?

Marina CMI [18]

Is this the answer you are looking for CuCO3=> CuO + CO2.

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3 years ago

What is the correct answer to the following expression: (72.61 - 68.59) x 18.76? Be sure to express your answer using the correc

ZanzabumX [31]

To answer this expression we should follow the mathematical rule. The mathematical rule that we will follow is called BODMAS short for brackets, powers, divide, multiply, add, subtract. So, we will first solve the one in the brackets which is <span>(72.61 - 68.59) is equal to 4.02 then we will multiply this to 18.76 and the answer is 75.4152.</span>

6 0

3 years ago

You have a sample of 75.6 g of C3H8. How many moles of C3H8 are in the sample?

dsp73

The number of moles that are contained in the given mass of propane ( $C_3H_8$ is 1.7143 moles.

<u>Given the following data:</u>

Mass of propane = 75.6 grams.

<u>Scientific data:</u>

The molar mass of propane = 44.1 g/mol.

To calculate the number of moles that are contained in the given mass of propane ( $C_3H_8$ ):

<h3>How to calculate the moles of a compound.</h3>

In this exercise, you're required to determine the number of moles of propane that are contained in the given sample:

Mathematically, the number of moles contained in a chemical compound is given by this formula:

$Number\;of\;moles = \frac{mass}{molar\;mass}$

Substituting the given parameters into the formula, we have;

$Number\;of\;moles = \frac{75.6}{44.1}$

Number of moles = 1.7143 moles.

Read more on number of moles here: brainly.com/question/3173452

3 0

2 years ago

PLZ HELP Organisms on earth are ________ based life forms.<br> - oxygen<br> - hydrogen<br> - carbon

Bess [88]

Answer:

Carbon based life forms

5 0

3 years ago

Read 2 more answers

PLEASE ANSWERRRRRRR

Neporo4naja [7]

Answer:

Explanation:

Because the silk took away the electrons to allow the rod to become positive. They cant be destroyed because of the law of conservation of charges. Also protons cannot move only electrons can.

8 0

2 years ago