s block elements, Chemistry

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A sub-shell l= 2 can take how many electrons, A sub-shell l= 2 can take how...

A sub-shell l= 2 can take how many electrons: (1) 3        (2) 10       (3) 5       (4) 6 Ans: 10

Periodic table, what are the properties of d-block elements?

what are the properties of d-block elements?

Number of unpaired electrons in the ground state, Number of unpaired electr...

Number of unpaired electrons in the ground state of beryllium atom is: (1) 2        (2) 1        (3) 0        (4) All the above Ans: 0

Oxygen, what is the peculiar behaviour of oxygen?

what is the peculiar behaviour of oxygen?

Describe processes are endothermic or exothermic, From personal experience,...

From personal experience, describe whether these processes are endothermic or exothermic. Give a reason for each.       a . A charcoal briquette burns.       b . Ice me

Structure of covalent bonds, Q. Structure of Covalent Bonds? Ans. ...

Q. Structure of Covalent Bonds? Ans. A covalent bond forms between elements that are near each other in the periodic table While an ionic bond involves an exchange of e

Citric Acid, What are some chemical properties of citric acid?

What are some chemical properties of citric acid?

The frequency of radiation emitted when the electron falls, The frequency o...

The frequency of radiation emitted when the electron falls from n= 4   to n=1   in a hydrogen atom will be (Given ionization energy of H = 2.18x 10 -18 J atom-1 and h= 6.625x 10-

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