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LenaWriter [7]
2 years ago
9

Which ion in the ground state has the same electron configuration as an atom of neon.

SAT
1 answer:
AfilCa [17]2 years ago
3 0

Answer:

Highlight to reveal answers and explanations

Questions Answer

38 Which ion in the ground state has the same electron configuration as an atom of neon in the ground state? (1) Ca2+ (2) Cl- (3) Li+ (4) O2-

Answers

4

1

1

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Which of the following can you complete at a four-year college?
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these are the ones i know of i hope this helps 
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3 years ago
A solid oblique pyramid has a square base with edges measuring x cm. The height of the pyramid is (x 2) cm. A solid oblique pyra
Rainbow [258]

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What brought an end to efforts during the late thirteenth century to form an alliance of European states and the il-khanate of Persia aimed at crushing Islamic forces in the eastern Mediterranean

Explanation:

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3 years ago
1. Kepler's three laws resulted from his careful analysis of ____ data, and were not derived from a mathematical model.
Sav [38]
<h2>1. Right answer: Observational </h2>

Kepler formulated the three laws of planetary motion <u>from observations made by</u> the Danish astronomer <u>Tycho Brahe of the orbit of Mars. </u>

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<h2>2.  Right answer: Aristotelian </h2>

Aristotle mistakenly thought that the Earth was the center of the universe, thus establishing a <u>geocentric cosmological model. </u>

According to this model, Aristotle proposed that the universe (the cosmos) was spherical and finite, with the Earth immobile at its center, composed of the four fundamental elements (made up of spherical layers): ground, water, air and fire; and the Sun along with the fixed planets in their respective concentric spheres revolving around the Earth. The outermost sphere being that of the stars and all these external elements being made of a fifth element which he called ether.

7 0
3 years ago
Jessica wants to get a credit card, but the bank is refusing to give her one. What could be the possible reason behind the bank'
tangare [24]

Answer:

B. She has a bad credit history

Explanation:

One of the main requirements to get a credit card is to have a good credit score and this is one of the things that banks check. If someone that request a credit card has a bad credit history, the bank will refuse to give it. Because of that, the possible reason behind the bank's refusal to comply with Jessica's request is that she has a bad credit history.

The other options are not right because it is not necessary to have an account with the bank to get a credit card, a good credit history will allow you to get it, the age is not an issue and if someone doesn't have enough resources to get the card, it is possible to have a cosigner for the bank to approve it.

7 0
3 years ago
A spring with a spring constant of 150 n/m has an equilibrium length of 8. 0 cm. What is the change in spring potential energy w
natima [27]

When the spring is stretched to 11.0 cm - 8.0 cm = 3.0 cm = 0.030 m away from equilibrium, it stores

1/2 (150 N/m) (0.030 m)² = 0.0675 J

of potential energy, while stretching it to 14.0 cm - 8.0 cm = 6.0 cm = 0.060 m from equilibrium stores

1/2 (150 N/m) (0.060 m)² = 0.27 J

Then the change in potential energy is 0.27 J - 0.0675 J = 0.2025 J ≈ 0.21 J

8 0
2 years ago
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