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Vesnalui [34]
3 years ago
8

Name the central part of an atom​

Chemistry
2 answers:
erastova [34]3 years ago
8 0

Answer:

the nucleus is the name of the central part of an atom, and and the electrons 'orbit'.

Katena32 [7]3 years ago
5 0

Answer:

The nucleus

Explanation:

The center of the atom is made up of the nucleus.

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How many of the following molecules have sp2 hybridization on the central atom? hcn so2 ocl2 xecl2.
GrogVix [38]

Only one molecule have <u>sp2 </u>hybridization on central atom and that is <u>SO₂</u>.

<u>XeCl₂</u> have <u>sp3d </u>hybridization.

<u>OCl₂</u> have <u>sp3 </u>hybridization.

<u>HCN </u>have <u>sp </u>hybridization.

Hybridization is defined as the concept of mixing two atomic orbitals to give rise to a new type of hybridized orbitals.

Hybridization intermixing usually results in the formation of hybrid orbitals having entirely different energies, shapes, etc.

Learn more about hybridization here:- brainly.com/question/22765530

#SPJ4

7 0
1 year ago
What is the difference between the atom and isotope ​
EleoNora [17]

Answer:

Atoms consist of a nucleus made of protons and neutrons orbited by electrons.

Isotopes are atoms that have same number of protons but they differ in the number of neutrons and in atomic mass.

3 0
4 years ago
Read 2 more answers
The correct name for the ion Fe2+ is
forsale [732]

Fe is the symbol of the metal iron. This is because the Latin name of iron is Ferrum. Iron shows more than one valency and forms Fe2+ and Fe3+ ions. Fe2+ ion is formed when an atom of iron loses 2 electrons to form a cation and Fe3+ ion is formed when an atom of iron loses 3 electrons to form a cation. For this reason, Fe2+ is known as the ferrous ion.

Therefore, the correct name for the ion Fe2+ is ferrous ion.

8 0
4 years ago
Read 2 more answers
What is the hybridization of the C atoms in C2Cl4 ?
Dovator [93]

Answer:

sp2

Explanation:

Orbital hybridization is defined as the changes in the orbitals of atoms when they pair with electrons of other atoms to form chemical bonds.

C atoms in C2Cl4 or tetrachloroethene have a total of three bond pairs, two with each chlorine atom and one with other carbon atom and zero lone pairs. Thus, C atoms in C2Cl4 is  sp2 hybridized.

Hence, the correct answer is "sp2".

8 0
3 years ago
If there are 0.064g of theobromine in a 43g chocolate bar, how many moles of theobromine are there?
Sever21 [200]

Answer: 3.5\times 10^{-4}

Explanation:

To calculate the moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text {Molar mass}}

Given mass of theobromine (C_7H_8N_4O_2) = 0.064 g

Molar mass of theobromine (C_7H_8N_4O_2)=12\times 7+1\times 8+14\times 4+16\times 2=180 g

\text{Number of moles}=\frac{0.064g}{180g/mol}=3.5\times 10^{-4}moles

5 0
3 years ago
Read 2 more answers
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