Question

Atomic str. & chemical bonding I. Define the following terms: 1) Atom 2) Atomic number 3) Mass number 4) Electronic configuration 5) Isotopes 6) Chemical bond 7) Electrovalent bonding 8) Covalent bonding II. Copy and complete the following statements: 1) In covalent compounds, the bond is formed due to ________ of electrons (transfer/ sharing/loss). 2) Atoms of metals lose electrons and change into _________ (cation / anion/molecule). 3) Fe2+ changes to Fe3+ represent __________ (oxidation / reduction/redox). 4) A triple covalent bond exists in _________ (NH3 / N2/O2). 5) Atoms have _____ charge. (positive/negative/zero) 6) Reduction involves _________ of electrons and oxidation involves ________ of electrons(gain/loss/share). III. The type of bonding exists in: 1) K2O 2) HCl 3) PbBr2 4) CH4 5) CaO 6) Cl2 7) CCl4 8) ZnCl2 IV. K, L, M, P, O represents five elements with atomic numbers 8, 12, 10, 19, 17 respectively. State: 1) which one of them are metal/non-metal/noble gas? 2) which has octet configuration of electrons? 3) which has valency +1? 4) the formula of the compound between K & P. 5) the type of bonding between L & O. V. Write ionic equations for the following:(Na=11, Cl=17, O=8) 1) Na to Na+ . 2) Cl to Cl3) O to O2- VI. Draw atomic orbit structural diagrams for the formation of:(N=7,H=1,Ca=20) 1) Ammonia molecule 2) Calcium oxide 3) Water molecule VII. Draw the structure of the atom represented by 16 32 and show the subatomic particles present in it. VIII. Draw the atomic orbit structural diagrams of : 1) oxygen 2) nitrogen 3) carbon tetrachloride 4) hydrogen (C=6)​

Answer 1

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xidh 6d mid century zni