The statement that is given from above “Water pollution that washes into storm sewers from many places, such as parking lots and lawns, is known as nonpoint-source pollution” is true. This is difficult to treat as the source may come from different points.
Answer:
They have similar chemical properties
Explanation:
Hi, those elements all belong to the Group I of the periodic table meaning that they share not only similar electronic configuration (1 electron of valence) but also they have similar chemical properties, being those more marked the higher the atomic number.
(2) Group 2 (4) Group 17
The oxidation state of an element is calculated by subtracting and the total sum of oxidation states of all the individual atom (excluding the one that has to be calculated) from total charge on the molecule. Option (1) is correct option.
Oxidation state of an element is a number that is assigned to an element in a molecule that represents the number of electron gained or lost during the formation of that molecule or compound. Oxidation state is a unitless quantity.
Oxidation state of M in M₂O is:
Let oxidation state of M be X
Oxidation state of Oxygen is -2
Overall charge on the molecule is 0
so 2X+(-2)=0
X=+1
So from here we can see that oxidation state of M is +1 which is possessed only by group 1 element
Hence option (1) is correct option.
To learn more about Oxidation state, here:
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