Neutrons are found in the nucleus and separate the other particles so that the strong force can hold the nucleus together. Which
particles are positively charged and need to be separated so that they don't repel?
A) electrons
B) neutrons
C) protons
D) quarks
A) electrons
B) neutrons
C) protons
D) quarks
2 answers:
Answer:
C) protons
Explanation:
The atom of most elements have proton and neutron located in the nucleus while the electron resides in the outer part of an atom.
The proton are usually positively charge and tends to repel one another in the nucleus of an atom. The reason for the repel of the proton is the positively charged nature. The neutron has no charge because they are neutral. The neutron are usually heavier than the proton . The sum of the proton and neutron contributes mostly to the mass of an atom. The electron that revolves and reside at the outer part of an atom is negatively charge.
The picture above is a representation of how the proton, electron and neutron is located in an atom.
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Answer:
Enantiomers
Chiral
Yes they will be formed in equal amount.
Explanation:
The Two possible stereo isomers are formed due to generation a chiral center in the molecule.
There will be a carbon with all the four groups different.
The two isomers will be called as enantiomers, which are non super-imposable mirror image of each other.
They are named as "R" or "S'" based on the selection rule.
The IUPAC names are also given in the figure.
The two isomers will be formed in equal amount as during photochemical chloriantion of a compound free radicals are generated (which are trigonal planar) and the other radical may attack from either side (front side or back side) giving the two stereo-isomers.
Answer:
696 h
Explanation:
Let's consider the reduction of Cr³⁺.
Cr³⁺(aq) + 3e⁻ → Cr(s)
We can establish the following relations.
- The molar mass of Cr is 52.0 g/mol.
- 1 mol of Cr is deposited when 3 moles of e⁻ circulate.
- 1 mole of e⁻ has a charge of 96468 c (Faraday's constant).
- 1 A = 1 c/s
- 1 h = 3600 s
<em>How many hours will it take to plate 13.5 kg of chromium onto the cathode if the current passed through the cell is held constant at 30.0 A?</em>