PANGILINANJANELLE167IN PANGILINANJANELLE167IN Science Answered 13. METHANE GAS (CH4) IS AN EXAMPLE OF _________ COMPOUND.14. WHEN AN ATOM LOSES AN ELECTRON , IT BECOMES A/AN ________.15. WHEN AN ATOM GAINS AN ELECTRON, IT IONIC BONDING.16. ______ ELEMENTS LOSE ELCTRONS IN IONIC BONDING17. A _______ IS A TYPE OF COVALENT BOND THAT IS FORMED WHEN ELECTRONS ARE SHARED EQUALLY BETWEEN ATOMS.