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Mashutka [201]
3 years ago
10

In the summer of 1859, Edwin Drake became the first person to strike oil in the United States while drilling in Titusville,_____

.
A. Alaska
B. California
C. Pennsylvania
D. Texas
Chemistry
2 answers:
Nata [24]3 years ago
7 0
C.Pennsylvania Titusville is in the state of Pennsylvania
UNO [17]3 years ago
5 0
C. Titusville Pennsylvania
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The region in which an electron is likely to be found is known as a(n) ____________.
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Round off the following number to 3 digits 34,560​
Vikki [24]

Answer:

3.46x10⁴

Explanation:

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In this case, we can see that the number 34,560 has five significant figures, it means that if we want to write it with three, we must take the 3, 4 and 5 only. Nevertheless, since the 6 after the five is greater than 5, we can round such five to 6, so we obtain:

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Which of the following atoms has the greatest atomic radius? Oxygen (o) fluorine (F) Chlorine (CL) Carbon (C)
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Periodic Trend:

The Atomic radius of atoms generally decreases from left to right across a period

Group Trend:

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Answer :

The Atom with the greatest atomic radius is chlorine. Fluorine can be ruled out because it is in the same period as oxygen and further to the right down the period. Chlorine has the largest atomic size because it is farthest down the group of any of the above elements listed.  

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