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vitfil [10]
2 years ago
7

Isotopes have the same number of protons but different number of:

Chemistry
1 answer:
QveST [7]2 years ago
6 0

Answer:

neutrons

Explanation:

isotopes have the same number of protons nut different number of neutrons. the difference in thr mumber of neutrons give them their uniques properties.

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HELP!!! The periodic change between night and day is caused by ____________.
charle [14.2K]

Answer:

C. Earth's revolution around the sun

Explanation:

4 0
2 years ago
Neon has a molar heat of vaporization of 1.80 kJ/mol at 24 K. How much heat must be absorbed to vaporize 5.97 mol of neon. A) 0.
Afina-wow [57]

Answer:

A

Explanation:

5 0
3 years ago
In the nuclear transmutation, 168O (?, α)137N, what is the bombarding particle? In the nuclear transmutation, O (?, )N, what is
xeze [42]

Answer:

The bombarding particle is a Proton

Explanation:

A Nuclear transmutation reaction occurs when radioactive element decay, usually converting them from one element/isotope into another element. Transmutation is the process which causes decay, generally, alpha or beta.

¹⁶₈O(P,alpha) ¹³₇N, can be written as

¹⁶₈O + x goes to ¹³₇N + ⁴₂He

Where x can be anything, balancing the equation in order to give us the correct amount of proton number and nucleus number

16 + x = 13 + 4

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<u>¹⁶₈O + ¹₁P goes to ¹³₇N + ⁴₂He</u>

Here we can clearly see the bombarding particle is ¹₁P (proton). The ejected particle being ⁴₂He which is also known as an alpha particle

5 0
3 years ago
A circle has a radius of 5 feet and a central angle AOB that measures 10°. What is the length of the intercepted arc AB? Use 3.1
algol [13]
We are asked to solve for the arc length of the intercepted arc and the formula is shown below:
Arc length = 2*pi*r(central angle/360°)
r = 5 feet
central angle = 10°

Solving for the arc length, we have:
Arc length = 2*3.14*5 (10/360)
Arc length = 0.872 feet

The arc length is 0.872 feet.
5 0
3 years ago
Matter that is the same throughout is called what
Stolb23 [73]
The matter that has the same composition and properties throughout is called pure chemical substance. So the answer is substance.
6 0
3 years ago
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