1) the sub atomic particle that has positive charge a) proton b) electron c) nucleus d) atom e) neutron f) ion 2) the sub atomic particle that has negative charge a) nucleus b) electron c) proton d) atom e) neutron f) ion 3) the sub atomic particle that has zero charge a) proton b) electron c) nucleus d) atom e) neutron f) ion 4) the atom after losing or gaining electrons a) ion Positive or Negative ion b) atom c) electron d) nucleus e) element f) neutron 5) the atom after losing electrons a) cation Positive ion b) anion Negative ion c) atom d) nucleus e) neutron f) element 6) the atom after gaining electrons a) cation Positive ion b) anion Negative ion c) atom d) nucleus e) electron f) proton 7) isotopes are same element differ in their a) neutrons b) electrons c) proton d) atom e) ions f) cloud 8) in Thomson's model the sphere of atom has .......... charges embedded inside the hole a) negative b) positive c) neutrons d) protons e) clouds f) atom 9) the matter consists of tiny particles called.............. a) atom b) nucleus c) quark d) neutrons e) electrons f) elements 10) the number of positive charges .............. number of negative charges a) equal b) more than c) less than d) atom e) nucleus f) element 11) the small part of a compound that still has the properties of that compound is .......... a) molecule b) atom c) nucleus d) ion e) element f) electron 12) type of matter made of two or more element by combination chemically a) element b) compound c) mixture d) atoms e) nucleus f) protons 13) any thing that has mass and take a space is called ................ a) matter b) compound c) mixture d) atom e) ion f) neutrons 14) ................ is measured by pan balance often using units of grams and kilogram a) mass b) volume c) atom d) length e) temperature f) mixture

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