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arsen [322]
2 years ago
12

Which elements occupy the same group in the periodic table

Chemistry
1 answer:
Aleks [24]2 years ago
3 0

Answer:

Elements that occupy the same column on the periodic table

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How did the work of Dmitri Mendeleev differ from that of John Newlands in the development of the periodic table?
alex41 [277]
When Newlands tried to create a periodic table, his tried to conform to the "Rule of Octaves" he had discovered. He had the right idea, in that if you arrange the elements by atomic weight there would be similarities every 7 elements (not 8 because noble gases hadn't been discovered yet) but he tried to push this rule so much that he would put multiple elements in the same box to try to keep the rule. Mendeleev, however, left gaps in this table for undiscovered elements, which paved the way for our modern periodic table.
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3 years ago
I need help plz ill give u Brainliest plzz i need help...Two students are discussing gravity. One student says that there is a g
DIA [1.3K]

Answer:

the first.

Explanation:

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2 years ago
Which metal is more reactive calcium or cobalt
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4 0
3 years ago
B) draw the structure of ethane in line-bond mode. (do not draw the hydrogen atoms.)
N76 [4]
There are two ways to represent the chemical formula of a substance: in condensed form or in structural form. Ethane is an alkane which consist of two carbon atoms. Since the general formula for ethane is CₓH₂ₓ₊₂, the condensed formula is C₂H₆. The structural formula or the line-bond structure is shown in the attached picture.

7 0
3 years ago
Read 2 more answers
Acetylene reacts with hydrogen in the presence of a catalyst to form ethane according to the following reaction:
ElenaW [278]

Answer:

mole fraction of acetylene in the original mixture = 0.29

Explanation:

The application of Dalton's law of partial pressure comes into play.

From Partial pressure = Mole fraction x total pressure.

The step by step calculation is as shown in the attachment.

3 0
3 years ago
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