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Which of the following statements regarding an atom are correct? 1) If two atoms with similar ionization potential form a bond, then this bond will most probably be either covalent or metallic. 2) When atoms with different ionization potentials form a bond, the bond will be mainly ionic. 3) If the atom or molecule already has its outer shells completely full, then the bonding between the atoms or molecules will be a secondary bond when it solidifies.
Study the following statements.
1. A bond formed by the transfer of electrons between atoms of the element is called ionic bond.
2. A bond formed by sharing of electrons between atoms of the elements is called covalent bond.
Which of the statements given above is/are correct?
Which one of the following is not correct about English bond? a) Bricks in one layer are laid on header bond and courses above and below are stretcher bond b) Bricks in one layer are laid on stretcher bond and courses above and below are header bond c) Every layer of bricks is laid on header and stretcher bond d) Bricks layer aligned such that vertical joint is continuous
All the forms of matter except gases emit electromagnetic radiation continuously. The gases which electrically or thermally excited emit a certain wavelength only, then which of the following is/are true about the process (i) The spacing between the atoms in the other forms of matter is high than in gas (ii) The spacing between the atoms in gases is high than the other forms of matter (iii) The energy of the emitted radiation depends on the spacing between the atoms (iv) The wavelength of the emitted radiation depends on the spacing between the atoms 
In which of the compounds given below, bonding among atoms is explained on the basis of ionic, covalent as well as coordinate covalent bonds ?
If Taka 4,500 was invested in bonds of a corporation when the price per bond was Tk. 9.00 and Taka 3,000 was invested in bonds of another corporation when the price was Tk. 10.00 per bond, what was the average price of bonds purchased?
Consider the following statements and choose the correct answer:
1. Adenine pairs with thymine (A : T) and guanine with cytosine $$\left( {G \vdots C} \right)$$
2. Adenine and thymine are joined by three hydrogen bonds through atoms
3. Guanine and cytosine are joined by two hydrogen bonds through atoms
4. The weak hydrogen bonding enables the two strands of the DNA to separate during replication
Consider the following statements.  I. Pi-Bond is stronger than the Sigma Bond.  II. Sigma Bond is formed by linear overlapping of atomic orbitals.  III. In the case of Pi-Bond, the extent of overlapping of atomic orbitals is more as compared to the Sigma Bond.  Which among the above is/are NOT correct?
In the context of economics, which of the following statements is correct regarding a debt instrument ‘bond’?  I. Bonds can only be used by the sovereign government. II. Floating rate bonds are securities which do not have a fixed coupon rate.  III. Owners of bonds are debt holders. 
Covalent bonds are formed by the sharing of electrons between two atoms so that both can achieve a completely filled . . . . . . . . shell.