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, Which bond forms positively-charged ions and negatively-charged ions?, Covalent bond, Single bond, Ionic bond, Metallic bond, Which of the following is not formed by covalent bonding?, CH₄, NaCl, H₂O, CO₂, 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, What do atoms achieve after forming a covalent bond?, Unstable arrangement, Stable duplet or octet electron arrangement, Loss of all electrons, Positive and negative ions only, Which of the following compounds is made up of molecules?, NaCl, MgO, CO₂, CaCl₂, Water (H2O) has how many covalent bonds?, 1, 2, 3, 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, What is the main difference between ionic bond and covalent bond?, Ionic bond transfers electrons, covalent bond shares electrons, Ionic bond shares electrons, covalent bond transfers electrons, Both transfer electrons, Both share neutrons

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