Sulfur has 16 protons and chlorine has 17 protons. Since the placement on the periodic table is equal to the number of protons, and also since it is impossible to have an element with a non-whole number of protons, there can be no element between sulfur and chlorine.
In periodic table, size increases from top to bottom and will decrease from left to right.
So the order will be :
- Rubidium
- Calcium
- Selenium
- Sulfur
- Chlorine
- fluorine
hope this helps
Yes you are right .. X is undergoing a change from solid to gas at point E
I will try my best to sovle this question...
Im Pretty sure it has to be A. it needs to balance it would not stand in place if not balanced.
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