DSR
S1W11
Quiz #4
Name: ______________________________________________
1. The mass number of an atom is
a. the number of protons in an atom.
b. the number of electrons and neutrons in an atom.
c. the number of protons and neutrons in an atom.
d. none of the above
2. Phosphorus has a mass number of 31 and 15 electrons therefore
a. a phosphorus atom has 15 neutrons and 16 protons.
b. a phosphorus atom has 31 neutrons and 15 protons.
c. a phosphorus atom has 16 neutrons and 15 protons.
d. Not enough information given.
3. Sodium has an atomic number of 11 and a mass number of 23, which of the
following statements is true?
a. The number of protons is 12.
b. The number of electrons is 12.
c. The number of neutrons is 12.
d. All of the above.
4. Aluminum has a mass number of 27 and 14 neutrons, which of the following
statements is true?
a. The atomic number is 13.
b. The number of electrons is 13.
c. Both a and b are true.
d. Not enough information given.
5. The particle in the nucleus that has no electrical charge
a. proton
b. neutron
c. electron
d. ion
6. The particle in the nucleus that has a positive charge
a. proton
b. neutron
c. electron
d. ion
7. Negatively charged particle found outside the nucleus
a. proton
b. neutron
c. electron
d. nucleus
8. Contains the mass of the atom
a. proton
b. neutron
c. electron
d. nucleus
9. Particle with an uneven number of proton and electrons
a. proton
b. neutron
c. electron
d. ion
10. An example of a physical property of an element is
a. Metal or nonmetal
b. Color
c. Number of hydrogen bonds
d. a and b
11. An example of a chemical property of an element is
a. Metal or nonmetal
b. Color
c. Number of hydrogen bonds
d. a and b
12. The number of protons in an atom is
a. the same as the number of electron in a stable atom
b. the atomic number
c. able to change
d. a and b are correct
13. Elements are
a. listed on the Periodic Table of Elements
b. arranged by atomic number on The Periodic Table of Elements
c. placed in groups on the Periodic Table of Elements
d. All of the above.
14. Use the diagram below and periodic table to answer the following questions.
a. Number of protons
b. Number of neutrons
c. Number of electrons
d. What is the atomic number for this atom?
e. What is the element name? ____________________________________
f. What is the chemical symbol? _________________________________
g. What is the charge of this atom?
Use the blanks provided to label parts of the atom.
A.
____________________
C.
B.
D.
E.