3 years ago

The elements fluorine chlorine and iodine are all part of the same blank on the periodic table

Chemistry

2 answers:

Sindrei [870]3 years ago

8 0

They are all in the same family, also known as a group. They're the same thing.

Tju [1.3M]3 years ago

8 0

Group......they're all in group 7

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consider a 1000-ml graduated cylinder with marks every 100 ml. a student records the volume of liquid in the cylinder as 750 ml.

Ludmilka [50]

Answer:

Explanation:

The 1000-ml graduated cylinder with marks every 100 ml has least count of 100 ml . It means it can not measure a volume less than 100 ml . It can also measure volume in the integral multiple of 100 ml like 200 ml , 300 ml , 400 ml etc perfectly . All these have significant figure of one .

It can not measure volume like 150 , 250 , 255 , 760 etc because these measurements are not the integral multiple of 100 . 750 is not a integral multiple of 100 so it can not measure volume of 750 ml.

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4 years ago

Which element in the alkali group will have the lowest first ionization energy?

Morgarella [4.7K]

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Explanation:

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