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Genrish500 [490]
3 years ago
12

An oxygen atom picks up two additional, free-floating electrons. Is the charge of the newly formed oxygen ion positive, negative

, or neutral?
Physics
1 answer:
MariettaO [177]3 years ago
4 0

Answer: Negative

Explanation:

An oxygen atom has the chemical symbol O. Its atomic number is 8, with an electronic configuration of 1s2, 2s2 2p4.

Now, due to the incompletely filled p-orbital, oxygen picks up two additional, free-floating electrons (2e-) to complete its outermost shell. And since each electrons received carries a negative charge, oxygen atom becomes a negatively charged divalent ion, O2-

See the equation below

O + 2e- ---> O2-

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Answer:

D. Radian

Explanation:

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Using a simple machine, a student is able to lift a 500N weight by applying only 100N.
pishuonlain [190]
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7 0
3 years ago
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8 0
3 years ago
Metals in group 2 on the period table most commonly form which type
LuckyWell [14K]

Answer:

alkaline earth metals

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Explanation:

6 0
3 years ago
Starting at 1.0 m/s, a cheetah runs with a constant acceleration for 4.8 s reaching a speed of 28 m/s. What is the acceleration
LenaWriter [7]

Answer:

c.5.6m/s^2

Explanation:

Initial velocity of cheetah,u=1 m/s

Time taken by cheetah =4.8 s

Final velocity of cheetah,v=28 m/s

We have to find the acceleration of this cheetah.

We know that

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t=Time taken by object

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Hence, the acceleration of cheetah=5.6m/s^2

5 0
3 years ago
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