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ollegr [7]
3 years ago
5

Which of these periods contain elements with electrons in s, p, d, and forbitals?

Chemistry
2 answers:
yarga [219]3 years ago
7 0

Answer:

The periods that would contain elements with electrons in s, p, d, and f orbitals are periods 6-7

Explanation:

vodka [1.7K]3 years ago
5 0

Answer:

I learnt k,l,m

Explanation:

so 1-3periods have klm and after that klmn

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Since all atoms have negatively charged electrons, shouldn’t every sample of matter have a negative charge ? Explain
Salsk061 [2.6K]

The three sub-atomic particles that made up an atom are electron, proton and neutron. The proton and neutron are present in the nucleus of an atom whereas electrons revolve around the nucleus in the orbits. The atoms are electrically neutral that is they have no charge due to the presence of equal number of protons (which is positively charged) and electrons (which is negatively charged).

All the atoms have negatively charged electrons which are counter balanced by the presence of equal number of protons in the nucleus of an atom and thus, the element is neutral in nature and possess no charge.

6 0
3 years ago
NEED HELP ASAP NOT DIFFICULT
Burka [1]
Answer- 400 grams of AlCl3 is the maximum amount of AlCl3 produced during the experiment.

Given - Number of moles of Al(NO3)3 - 4 moles
Number of moles of NaCl - 9 moles
Find - Maximum amount of AlCl3 produced during the reaction.
Solution - The complete reaction is - Al(NO3)3 + 3NaCl --> 3NaNO3 + AlCl3
To find the maximum amount of AlCl3 produced during the reaction, we need to find the limiting reagent.
Mole ratio Al(NO3)3 - 4/1 - 4
Mole ratio NaCl - 9/3 - 3
Thus, NaCl is the limiting reagent in the reaction.
Now, 3 moles of NaCl produces 1 mole of AlCl3
9 moles of NaCl will produce - 1/3*9 - 3 moles.
Weight of AlCl3 - 3*133.34 - 400 grams
Thus, 400 grams of AlCl3 is the maximum amount of AlCl3 produced during the experiment.
5 0
2 years ago
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Balance and classify this reaction:<br> C6H6 +02 →CO2 +H₂O
laila [671]
This is a combustion reaction.
2C6H6 + 9O2➡️ 6CO2 + 6H2O
6 0
2 years ago
The measure of the attraction that an atom has for electrons involved in chemical bonds is known as:
Mariana [72]
Electronegativity is the tendency of atom to attract shared pair of electron towards itself . Its value is out of 4 , and Fluorine is higly electronegative.
So, 
D electronegativity, is the correct answer.
7 0
3 years ago
Question # 5
den301095 [7]

Answer:

4) Transport Oxygen

Explanation:

The Nervous System sends messages throughout our body, White blood cells protect our body from harmful diseases and Bacteria, Muscles support or bone structure, and red blood cells carry oxygen throughout our entire body.

Hope this helps!

6 0
3 years ago
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