6 Written Questions

1. a highly organized chart listing all the known elements arranged in horizontal rows called periods and vertical columns called groups
2. measure of the average mass of the atomic mass unit
3. the electrically nuetral particles in an atomic nucleus
4. the positivly charged particles in an atomic nucleus
5. total number of protons and nuetrons isotopes contain
6. the gradual change of properties of elements across any period

6 Multiple Choice Questions

1. an element that is non malleable, nonductile, and a poor conductor of electricity and heat
   1. metal
   2. non metal
   3. element
   4. nucleon
2. the core of an atom consisting of two basic subatomic particles, protons and nuetrons
   1. atomic number
   2. atomic nucleus
   3. atomic symbol
   4. atomic mass
3. an element that is generally shiny, opaque, malleable, ductile, and a good conductor of electricity and heat
   1. non metal
   2. neutron
   3. metalloid
   4. metal
4. atoms whose nuclei have the same number of protons but different numbers of nuetrons
   1. proton
   2. group
   3. metal
   4. isotope
5. a nuclear proton or neutron; the collective name for either or both
   1. electron
   2. nucleon
   3. neutron
   4. proton
6. a horizontal row in the periodic table
   1. proton
   2. metal
   3. period
   4. neutron

6 True/False Questions

1. atomic number → the number that desginates the identity of an element which is the number of protons in the nucleus of the atom

   True        False

2. electron → the negatively charges particles in an atom

   True        False

3. group → a vertical column in the periodic table

   True        False

4. element → the negatively charges particles in an atom

   True        False

5. atomic symbol → an abbreviation for an element derived from the first one or two letters of the element's name

   True        False

6. metalloid → one of the six elements boron, silicon, germanium, arsenic, antimony, tellunum- they exhibet both metalic and non metalic

   True        False