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telo118 [61]
3 years ago
5

which of the following elements would have the greatest difference between the first and the second ionization energies mg al k

ca sr
Chemistry
1 answer:
Anestetic [448]3 years ago
6 0

Answer:

K

Explanation:

Ionization energy refers to the energy required to remove an electron from an atom. It usually increases across the period due to the increase in the size of the nuclear charge and decreases down the group due to increase in the number of shells.

If we look at the element, K, it has only one electron in its outermost shell. This implies that after this one electron is removed, the second ionization energy involves the removal of an electron from a filled shell.

This usually requires a lot of energy. Hence, the element having the highest difference in energy between first and second ionization energy is K.  

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Answer:

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3 years ago
What it is the total length of two pieces of rubber tubing which are 7.69 cm and 4.028 cm in length? Express this answer to the
Brilliant_brown [7]
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In a living organism, what is a tissue
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3 0
3 years ago
Read 2 more answers
Through an uplift under the earth crust at a dirvergent boundary a _____ is formed.
postnew [5]

<span>Out of the  following given choices;</span>

<span>a. cliff               b. fault </span>

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6 0
3 years ago
How much sucrose (g) do you need to weight in order to prepare 19.16 g of a 13.1 % (weight percent) solution?
Nonamiya [84]
<span>2.51 grams
   You want to prepare 19.16 g of some solution which will have 13.1% of it's mass being sucrose. So we just need to perform some simple multiplication: 19.16g * 0.131 = 2.50996g
   Rounding to 3 significant figures gives 2.51 g.</span>
3 0
3 years ago
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