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Svet_ta [14]
3 years ago
9

What is the best description of the Bohr model of the atom? The atom consists of a positively charged material with negatively c

harged electrons embedded within it. The atom consists of a nucleus with electrons orbiting randomly around it. The atom consists of a nucleus with electrons orbiting at specific energy levels. Absorbed photons cause electrons to jump between energy levels. The atom consists of a nucleus surrounded by a region containing electrons. Electrons cannot be located exactly ...
Chemistry
2 answers:
Andrej [43]3 years ago
8 0
The atom consists of a nucleus with electrons orbiting at specific energy levels

It would be nice if u add spacing between the sentences.
mel-nik [20]3 years ago
4 0

The correct option for above statement is:

The atom consists of a nucleus with electrons orbiting at specific energy levels

Explanation:

Niels Bohr, a Danish person, explained this spectrum whereas developing a model for the atom.The Niels Henrik David Bohr model shows that the electrons in atoms are in orbits of differing energy round the nucleus . The energy an electron usually occupies is named its state.

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Substituents on an aromatic ring can have several effects on electrophilic aromatic substitution reactions. Substituents can act
Leya [2.2K]

Answer:

Option A=> -NHCOCH3 and option C = -CH3.

Explanation:

The option A that is -NHCOCH3 is CORRECT because it possesses lone pair of electron with the exception of group 7A elements. It is this lone pair that is used in the Activation of the ring towards substitution. Other groups that falls into this group are; OCH3, alkyls and many others.

Option B that is -COOH is good group for withdrawal of electron through Resonance. Other examples are NO2, -CN and SO3H.

Option C falls to the same category as option A above that is Activation of the ring towards substitution.

Option D falls to the same category as option B above that is group for withdrawal of electron through Resonance.

7 0
3 years ago
Explain why vegetables last longer in a fridge.
jeka57 [31]

It has to do with the releasing of ethylene, which speeds up the ripening process  

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3 years ago
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What is the product when magnesium reacts with nitrogen? Mg(s) + N2(g) → Mg2N3(s) Mg3N(s) Mg3N2(s) MgN3(s)
bixtya [17]
Look at the periodic table to find the charge on atoms.
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3 Mg(+2) + 2 N(-3) = Mg3N2

6 0
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What inference can be drawn from the graph?
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i think its C

Explanation:

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2 years ago
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Ksenya-84 [330]

Answer:

ELEMENTS MIXTURE

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