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5 Written Questions

1. An element in Group 1 of the periodic table., Most reactive group of metals
2. A molecule composed of two atoms of the same element., like O2
3. A chart of the elements showing the repeating pattern of their properties.
4. A horizontal row of elements in the periodic table.
5. The elements in Group 17 of the periodic table., most reactive nonmetals

5 Matching Questions

1. Atomic number
2. Alloy
3. Conductor
4. Alkaline earth metal
5. Lanthanide

1. a A substance that transmits heat or electricity easily.
2. b A mixture of two or more metals.
3. c An element in the first row of the rare earth elements in the periodic table., they are pulled to the bottom
4. d The number of protons in the nucleus of an atom.
5. e An element in Group 2 of the periodic table., Second most reactive group of metals

5 Multiple Choice Questions

1. A small, positively- changed particle in the nucleus of the atom.
   1. Proton
   2. Neutron
   3. Group
   4. Period
2. An element in Groups 3 through 12 of the periodic table.
   1. Alkali metal
   2. Transition metal
   3. Nonmetal
   4. Lanthanide
3. The central core of an atom containing protons and usually neutrons.
   1. Ductile
   2. Noble gas
   3. Nucleus
   4. Alloy
4. An element that can conduct electricity under some conditions.
   1. Semiconductor
   2. Atomic number
   3. Conductor
   4. Period
5. An explosion of a massive star.
   1. Period
   2. Supernova
   3. Neutron
   4. Group

5 True/False Question

1. Atomic mass → The number of protons in the nucleus of an atom.
   

   True        False

2. Nonmetal → An element that lacks most of the properties of metals.
   

   True        False

3. Chemical symbol → The number of protons in the nucleus of an atom.
   

   True        False

4. Reactivity → An element in the second row of the rare earth elements in the periodic table., pulled to the bottom of the table
   

   True        False

5. Magnetic → A term used to describe material that can be hammered or rolled into shape.
   

   True        False