Answer:
71% of the earth forms water
Explanation:
About 71% of the earth is covered with water out of which approximately 97% is ocean and the remaining includes rivers, lakes and streams. Glaciers made up to 2% and a tiny fraction is in the form of vapors. Water covers vast majority of the earth planet. The other 29% of earth consists of islands and continents.
Answer:
no question just free points
Explanation:
The <em>effective nuclear charge</em> is the difference between the atomic number an element and the shielding constant. Hence, the atom which experiences the greatest nuclear charge is Sulphur, S.
<u>Calculating the greatest effective nuclear charge</u>, :
- Z = Atomic number ; S = shielding constant
<u>For Magnesium, Mg</u>:
Z = 12
S = 10
<u>For Aluminium, Al</u>:
Z = 13
S = 10
For Sulphur, , S:
Z = 16
S = 10
Therefore, the atom whuch experience the greatest
is Sulphur.
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