3 years ago

What is an electron configuration?

2 answers:

8 0

Answer:

Electronic configuration, also called electronic structure, the arrangement of electrons in energy levels around an atomic nucleus.

ziro4ka [17]3 years ago

8 0

Answer:

In atomic physics and quantum chemistry, the electron configuration is the distribution of electrons of an atom or molecule in atomic or molecular orbitals

Explanation:

:) hope it helps! have a good day

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Calculate the oxidation number of “C” in CH3COCH3 please

Triss [41]

Answer:

The oxidation number of C (carbon) is +4

Explanation:

8 0

3 years ago

Construct a three-step synthesis of 1,2-epoxycyclopentane from cyclopentanol by dragging the appropriate formulas into the bins.

vladimir2022 [97]

Answer:

(1) Bromination, (2) E2 elimination and (3) epoxidation

Explanation:

In the first step, -OH group in cyclopentanol is replaced by more facile leaving group Br by treating cyclopentanol with $PBr_{3}$

In the second step, E2 elimination in presence of strong base e.g. NaOEt/EtOH produce cyclopentene

In the third step, treatment of cyclopentene with mCPBA produces 1,2-epoxycyclopentane

Full reaction scheme has been shown below

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3 years ago

During science class, while studying mixtures, you mix together table salt and sand. Your teacher challenges you to separate the

olga2289 [7]

The property to be used is sieving. you get a bowl and a sieve when you pour the sand and salt,the salt being the small particle sieve to the bowl while the sand remain on the sieve as residue

7 0

3 years ago

A change in 1 degree Celsius is = a change in 1 Kelvin<br> True<br> False

EleoNora [17]

Answer:

true

Explanation:

because I'm smart yes yes

5 0

2 years ago

What mass of water (H2O)will be collected if 20.0 grams of oxygen gas(H2) are consumed

anastassius [24]

Explanation:

no.mole of H2= mass/RAM

=20/2(2)

=5mol

no.mole of H20=mass/RAM

=5molx2(2+16)mol/g

=180g

5 0

3 years ago