The nucleus of an atom contains..., electrons and protons, neutrons and protons, neutrons only, electrons, The atomic number tells us the number of?, neutrons, Protons or electrons, electrons only, The mass of the atoms, An isotope has different numbers of?, electrons, protons, neutrons, nuclei, To find the formula mass of a compound to need to?, Add together the atomic masses, Look it up in the periodic table, Nothing., Add up the atomic numbers, The amount of product made in a chemical reaction is called?, Stuff, yield, efficiency, nonsence, When metal atoms turn in to positive ions they.., gain electrons, gain protons, lose neutrons, lose electrons, When non-metal atoms form ions they..., gain electrons, gain protons, lose neutrons, lose electrons, Group 1 elements form which type of ion?, positive ions (+1), negative ions, they don't form ions, Giant ionic structures are held together by?, Very weak bonds, Very strong bonds, covalent bonds, forces of attraction, Metals conduct electricity because they have.., a plug, positive metal ions, free electrons, strong covalent bonds, In graphite, each carbon atom forms how many covalent bonds?, 4, 3, 2, none, In diamond, each carbon atom forms how many covalent bonds?, 4, 3, 23, 5, The rate of a chemical reaction can be increased by.., Increasing the temperature, decreasing the temperature, Exothermic reactions..., take in heat, Give out heat, have no effect on the temperature, If a precipitate is formed during a chemical reactions, it can be removed by..., using tweezers, distillation, evaporation, Filtering.

C2 quiz

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