3 years ago

How many protons, neutrons, and electrons does a neutral atom of this element have? (round atomic mass to nearest whole number)

2 answers:

8 0

Answer:

The element "AI" has:

Protons: 13 Neutrons: 14 Electrons: 13

Have a great day.

7 0

Protons:13 Neutrons:14 Electrons:13 have a wonderful day!:)

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mixer [17]

(C)

Explanation:

The circle has a radius r = 0.5 m, which means that its circumference C is

$C = 2\pi r = 2\pi(0.5\:\text{m}) = 3.14\:\text{m}$

One revolution means that the stopper travels a distance equal to the circumference of the circle so the velocity of the stopper is

$v = \dfrac{C}{t} =\dfrac{3.14\:\text{m}}{0.2\:\text{s}} = 15.7\:\text{m/s} \approx 16\:\text{m/s}$

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Its a tightly-packed particles gain energy, allowing them to move more freely.

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Here, I hope this helps.

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Answer is answer

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