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bonufazy [111]
3 years ago
10

Define atomic size, electronegativity, and ionization energy and explain how they vary at different places on the periodic table

.
DONT NEED TO DEFINE THEM, JUST SAY HOW THEY VARY AT DIFFERENT PLACES ON THE PERIODIC TABLE
Chemistry
1 answer:
anygoal [31]3 years ago
5 0
As you move down the periodic table, atomic size increases (due to the number of electron shells of an atom increasing). So in Group 1, H has the smallest atomic size, while Fr has the largest.

Ionization energy tends to decrease as you go down a group, and increase as you go from left to right on the periodic table. (As you go down, the atomic size/radius increases, so the outermost electrons are held less tightly to the nucleus, causing a lower ionization energy.)

Electronegativity relates to ionization energy. Elements with a higher ionization energy will have higher electronegativity. Therefore, as you move down the periodic table, electronegativity decreases, while as you move from left to right on the periodic table, electronegativity increases. 
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To know how many moles of iron can be recovered from 100 kg of Fe₃O₄ we'll need to use the molar mass of Fe₃O₄ and apply the conversion factor to go from kg of Fe₃O₄ to moles of Fe in the following way:

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