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iren [92.7K]
3 years ago
15

In the Bohr model of the atom, an electron in an orbit has a fixed ____. Group of answer choices color energy position size

Chemistry
1 answer:
e-lub [12.9K]3 years ago
6 0

Answer:

Energy

Explanation:

In the Bohr's model, electron occupied allowed orbits called having specified energy levels. All electrons in the same orbit are related by the fact that they all have te same energy. Absorption or emission spectra or observed when there is a transition between allowed electronic energy levels within the atom.

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H-1
bonufazy [111]
Answer = B = Neutrons and Mass Number

Isotopes 
are defined as those atoms which have same atomic number but different atomic masses.

Atomic mass is basically the number of protons and neutrons present in an atom.

Atomic number is the number of protons present in an atom.

So, in isotopes the number of protons are same but the number of neutrons vary due to which atomic masses also vary.
In given three isotopes, all have same number of protons but different number of neutrons.
i.e.
H-1 = 1 P + 0 N = 1 u (Proton)
H-2 = 1 P + 1 N = 2 u (Deuterium)
H-3 = 1 P + 2 N = 3 u (Tritium)

Hence, it is clear that the number after H shows a change in number of neutrons and mass number.

7 0
3 years ago
Read 2 more answers
1.)Which of these statements correctly compares probeware (such as an electronic temperature probe) to traditional analog tools
Karolina [17]
1. D)
2. I think the correct answer from the choices listed above is option C. The tools that <span>should be used to record the most complete data about a gas are a manometer and a thermometer. Pressure and temperature are important measurements for a gas since from these data we can calculate any other properties of the gas.</span>
5 0
3 years ago
Read 2 more answers
- Standard state refers to
yulyashka [42]

Answer: The standard state refers to 1 atm and 25^{o}C.

Explanation:

It is known that a chemical/substance can either be present in a solid, liquid or gaseous state.

So, when the phase of a substance like solid, liquid or gas is present at 1 atmosphere pressure and at a temperature of 25^{o}C then it known as standard state of substance.

Thus, we can conclude that standard state refers to 1 atm and 25^{o}C.

4 0
2 years ago
Which process will change a substance chemically? A. boiling B. melting C. burning D. evaporating
marshall27 [118]
The answer is B. boiling
4 0
2 years ago
How might a renewable energy source become non-renewable???
poizon [28]

if it is used continuously

6 0
3 years ago
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