What is the covalent bond?, Sharing of electrons , Transfer od electrons, Losing of electrons , Gaining protons, Covalent bonds are formed between, Non-metal + Non-metal, Metal + Metal, Metal + Non-metal, Noble gas + Metal, Which of the following is a covalent compound?, NaCl, MgO, CO2, KBr, What is shared in a covalent bond?, Protons, Neutrons, Electrons, Nucleus, Atoms form covalent bonds to:, Become unstable, Achieve full outer shell, Lose protons , Form ions, A single covalent bond involves:, 1 electron, 2 electrons, 3 electrons, 4 electrons, O2 molecule contains , Double bond, Single bond, Triple bond, Ionic bond, N2 molecule contains , No bond, Single bond, Double bond , Triple bond, How many electrons are share in a double bond, 2, 4, 6, 8, Which compound contains only single bonds, CO2, O2, H2O, N2, Which substance has covalent bonding?, NaCl, CH4, CaO, KCl, Covalent compounds usuallt have:, High melting point, Low melting point, High conductivity, Ionic structure, Which of the following does NOT conduct electricity, Graphite, Copper, CH4, NaCl (molten), Why do covalent compounds not conduct electricity?, No electrons, No free ions or electrons, Too heavy, Too reactive, Water (H2O) has how many covalent bonds?, 1, 2, 3, 4, Methane (CH4) has how many covalent bonds?, 3, 2, 5, 4, Which element forms covalent bonds?, Chlorine, Sodium, Magnesium, Iron, Which pair forms a covalent compound?, Na and Cl, Ca and Cl, Mg and O, H and O, Which substance has a double bond?, CH4, H2, CO2, NH3, Which has a triple bond?, N2, CO2, H2O, O2, Which of following is NOT a property of covalent compounds?, Low boiling point, Do not conduct electricity, Made a molecules, High solubility in water , Why graphite able to conduct electricity?, It has ions, It has free electrons, It is liquid, It is ionic.

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