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Name: __________________________________________ Date: _______________ Quiz name: Unit 2 Review (so far) 1. The atomic mass of an element A is the number at the top of each box on your periodic table B is the number at the bottom of each box on your periodic table C are the numbers at the top right corner of each box on your periodic table D all of the above 2. The atomic number of an element is: A the identification card of the atom B the number of protons C the number at the top of the box on your periodic table D all of the above 3. An isotope A is an atom of an element with a slightly different mass B is an atom of an element with a different number of protons C is an atom of an element with a different number of electrons D is two or more atoms smashed together 4. A row on the periodic table is called a: A row, duh! B period C family D column 5. A column on the periodic table is called a: A column, duh! B period C family D row 6. A molecule is: A two or more atoms smashed together B one lonely atom by himself C an atom of an element with a different number of electrons D an atom of an element with a slightly different mass 7. An atom is made of: A photons, neurons, and electricity B photons, neutrons, and electrons Page 1 of 3 C protons, neutrons, electrons D protons, neurons, and electrons 8. Mendeleev arranged the periodic table by: A reactivity B atomic number C atomic mass 9. Moseley arranged the periodic table by: A atomic number B reactivity C atomic mass 10. Mendeleev was: A the first one to make the periodic table B the first one to predict correctly missing elements on the periodic table C the first one to discover all the elements on the periodic table 11. In the article we read "A Number's Game", scientists were making element 119 by: A shooting Berkelium atoms at Titanium atoms B shooting Titanium atoms at Berkelium atoms C shooting Titanium atoms at Beryllium atoms D shooting Beryllium atoms at Titanium atoms 12. Isotopes can be used for (pick all that are correct): A agricultural reasons B medical treatments C to power nuclear power plants D tell us how old things are 13. The following scientist is credited with starting the atomic theory A Thomson B Rutherford C Dalton D Democritus E Curie 14. Most of the elements on the periodic table are: A metalloids B nonmetals C metals 15. If you are a nonmetal that means you can exist as a: A gas B liquid Page 2 of 3 C solid D all of the above Page 3 of 3