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Pachacha [2.7K]
3 years ago
13

The electron configuration for Helium (He) is shown below. 1s2 Which diagram shows the correct distribution of electrons in the

electron shells of a helium atom? A gray circle labeled 1 P 0 N is surrounded by a concentric circle with one gray dot at the north position. A gray circle is labeled 5 P 6 N. It is surrounded by two concentric circles. The inner circle has gray dots at the north and south positions. The outer circle has three evenly spaced dots; none of these align with the dots in the inner circle. A gray circle is labeled 2 P 2 N. A concentric circle surrounding it has two gray dots, at the north and south positions. A gray circle is labeled 6 P 6 N is surrounded by two concentric circles. The inner circle has dots at the north and south positions; the outer circle has dots at the north, south, east, and west positions.
Mathematics
2 answers:
aksik [14]3 years ago
8 0

Answer:

A

Step-by-step explanation:

AURORKA [14]3 years ago
7 0

Answer:

what is the question comments me

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A route up a mountain is 20 Km long. john followed this route at an average speed of xkm/h. write down an expression in terms of
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Answer:

20/x

Step-by-step explanation:

speed = distance /time

x km/h is speed

20 km is distance

x= 20/t

t= 20/x

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2 years ago
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Andre is solving the inequality 14x+3 is less than or equal to 8x+3.he first solves a related equation
Arte-miy333 [17]

Answer:

14x+3=8x+3

14x+3 -3 = 8x+3 -3

Cancels out the 3

14x = 8x

14x - 8x = 8x -8x

Cancels out the 8x

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Step-by-step explanation:

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The answer is 5 hope that helps

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Step-by-step explanation:

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A rectangle whose perimeter is 110 feet. The length is 4 times as long as the width. Find the length and the width.
madreJ [45]
Set up a system of equations.
l=4w
2l+2w=110

Substitute l in to the second equation.
2(4w)+2w=110
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Substitute w back into the first equation.
l=4(11)=44

So, the length is 44 feet and the width is 11 feet.

Hope this helped!
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