2 /
Numeror
1
6
Number of TV hours
fig. 8.2/ Histogram
The histogram above shows the number of
hours for which a group of ladies
watched
television during a particular evening.
(a) Construct a frequency table to represent
the data shown in the histogram under the
headings Class mark and Frequency.
b) Calculate the meun number of T. y. hours.​

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Step-by-step explanation:

because we dont like it

the answer is: d) o, f, and kr.

atomic radius of bromine (br) is 114 pm.

atomic radius of oxygen (o) is 73 pm.

atomic radius of fluorine (f) is 72 pm.

atomic radius of krypron (kr) is 112 pm.

the atomic radius of a chemical element is a measure of the size of its atom.

the atomic radius varies with increasing atomic number, but usually increases because of increasing of number of electrons.

the atomic radius decreases across the periods because an increasing number of protons, because greater attraction between the protons and electrons.

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