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Q. What do you mean by Chemical Bonding?
Ans.
Atoms react chemically by losing, gaining or sharing electrons. Chemical bonds are the attractive forces that hold atoms together. In this chapter, we will try to understand what causes bonds to form.
The two principal types of bonds are the ionic bond and the covalent bond.
What is the difference?
Ionic bonds involve an exchange of electrons
Covalent bonds involve a sharing of electrons.
Which one of the following groupings represents a collection of isoelectronic species: (1) NA +, Ca 2+ , Mg 2+ (2) N3, F - , Na + (3) be, Al 3+ , Cl -
2p orbitals have : (1) n=1, l=2 (2) n=1, l=0 (3) n=2 l=1 (4)n=2, l=0 Ans: n=2 l=1
Types of titrations - Volumetric analysis Titrations can be categorized as : (A) Acid base titrations or alkalimetry and acidimetry (B) Redox titrations or Oxidation redu
#IONISATION ENERGY OF ELEMENTS..
If value of azimuthal quantum number l is 2, then total possible values of magnetic quantum number will be: (1) 7 (2) 5 (3) 3 (4) 2 Ans: 3
Q. Name the plant based sources of antioxidants? Name the plant based sources of the following antioxidants: Vitamin C, lycopene, isoflavones and organo sulphur compounds.
what is sp- sp bonding
Magnetic property of d block elements
how did atoms appear
Define the following observations: (i) Most of the known noble gas compounds are those of xenon. (ii) CIF3 exists but FCI 3 does not. (iii) Between the hydrides of elemen
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