. Ali, Blair and Col work for a decorating company.
They buy 28 litres of gloss paint for to be used on wood at three
different jobs.
Blair is going to paint an area twice as large as the area Ali isto
paint
Col is going to paint an area five times larger than Ali
How many litres of paint should each person take for their job?
AB
col

answer: the area of the parallelogram below is 42 square meters.

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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.