Answer:
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Answer : Option 2) Nonmetallic properties and ionization energy
Explanation : It is observed that the nonmetallic properties and the ionization energy when the elements in period 3 on the periodic table are considered in order from left to right.
Various changes are observed when we move from left to right in period 3 in the modern periodic table like the atomic number and charge on the nucleus increases
, number of valence electrons increases
, atomic radius decreases
, first ionization energy increases
, electro negativity increases except in Ar, elements found on the left are metals and elements on the right are non-metals, so non metallic character increases.
Answer:
The correct answer is "11.44 ml".
Explanation:
Molarity,
= 0.2 M
Density,
= 1.05 g/ml
Volume,
= 1 L
As we know,
⇒ 
or,
⇒ 
On putting the values, we get
⇒ 
⇒ 
Now,
⇒ 
or,
⇒ 
⇒ 
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hence,
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or,
⇒ 
⇒ 
⇒ 
