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Oksi-84 [34.3K]
2 years ago
10

Which electron shell in an atom of calcium in the ground state

SAT
1 answer:
adoni [48]2 years ago
7 0
When calcium forms an ion, it loses its two valence electrons and becomes a calcium ion with a 2+ charge. In that case the highest energy level occupied by the calcium ion's electrons in its ground state would be the third energy level.
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Jennifer just received the results of her SAT exam. Her SAT Mathematics score of 600 is in the 78th percentile. What does this m
Olenka [21]

Answer:

Jennifer just received the results of her SAT exam.

Her SAT Mathematics score of 600 is in the 78th percentile.

It means there is 78% of test-takers has score equal or less than hers (or 22% of test-takers has score greater than hers)

Hope this helps!

:)

5 0
3 years ago
Which word does not go with the other four?
GenaCL600 [577]

Answer:

stack isn't a fit out of these

8 0
3 years ago
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Which of the following is necessary for individuals interested in researching and teaching positions? a. Job shadowing for 60 ho
Ede4ka [16]

Answer:

c. A doctoral degree.

Explanation:

A doctorate degree refers to an academic degree (certificate) awarded to a post-graduate student by a tertiary institution (university or college) after the completion of his or her educational Programme. This doctorate programme usually takes a minimum of two (2) years to complete, as well as haven fulfilled the obligation of writing an approved theses.

Most tertiary institutions has made it a prerequisite for all applicants who are interested in being a lecturer (teacher) or research inclined positions, to possess a minimum of a doctorate degree.

Hence, a doctoral degree is necessary for individuals interested in researching and teaching positions.

3 0
2 years ago
Even though the process is endothermic, snow can sublime. Which tendency in nature accounts for this phase change?.
Ilya [14]

Answer:

Explanation:

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3 0
2 years ago
GOD HALP MEEE: It takes Lucas 3 hours to cycle from his home to his friend's village. But if he travels 5 mph slower, it will ta
Bumek [7]

Answer:

45 miles

Explanation:

Speed = distance / time

Lets assume :

speed = x

Distance = D

Time = 3 hours

so in first case :

x = D / 3

D = 3x

Second case :

speed = x-5  ( he is traveling 5mph slower )

Distance = D ( Distance is same )

time = 4.5 hour

so,

x-5 = D / 4.5

D = 4.5(x-5)

since D is same in both cases.

3x = 4.5(x-5)

3x = 4.5x - 22.5

4.5x - 3x = 22.5

1.5x = 22.5

x = 22.5/1.5

x= 15

so speed is 15mph

D= 3x

so Distance = 3*15 = 45 Miles.

8 0
3 years ago
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