please answer ALL THE QUESTIONS.
the one who answers all the questions will be marked as BRAINLIST.
1)write on which property of elements is based to design modern periodic table?
2)write the pH value of salt formed if strong acid added to weak base?
3)a transparent (glass) sphere has a small , opaque dot at its centre . does apparent
position of the dot appear to be the same as its actual position when observed from
outside?
4)write distance from the pole when size of the image is equal to size of the object?
5)If an object is moved gradually from 19 cm to pole of the mirror how does the size of
image changes?
6)which element has electronic configuration as ns^2 formula in noble gases?
7)why the noble gas elements are inactive in chemical reactions?
tejasweety:
if you have any doubts ask in "ask for detail".don't ask in answer column.
U should ask one by one it's gonna confusing
please if you know the answer put it. i am in urgent with them.
Oh then wait
i have asked 4 questions yesterday can anyone answer them?
Answers
Answered by
4
1 : the property is of atomic number and electronic configuration.
2: the ph will be less than 7.
3:no , refraction takes place.
4:the distance is equal to radius of curvature of the mirror.
5:size of image will reduce
6:helium
7:because they have a complete octet or duplex and are hence stable and do not need anyone's help to acquire stability
2: the ph will be less than 7.
3:no , refraction takes place.
4:the distance is equal to radius of curvature of the mirror.
5:size of image will reduce
6:helium
7:because they have a complete octet or duplex and are hence stable and do not need anyone's help to acquire stability
i need the explaination for 3rd answer
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