NAME: _____________________________ PER_______ DATE__________________
ATOMIC STRUCTURE PRACTICE TEST #1
1. A sample of gas is electrically charged so that it glows red. The red color is emitted when…
a. electrons in the gas sample are excited into new energy levels.
b. electrons in the gas sample return to their ground state energy levels.
c. Protons in the gas sample are excited into new energy levels.
d. Protons in the gas sample return to their ground state energy levels.
2. Electrons…
a. circle the nucleus of an atom in orbitals like the planets orbit around the sun.
b. move around the nucleus in electron clouds, that are areas of probability where the
electrons could possibly exist.
c. are located in the nucleus.
d. move in the highest energy orbitals available to them
3. The periodic table of elements is arranged as it is because…
a. the table can be arranged in energy sublevel “blocks”.
b. it can be used to find the electron configurations of atoms.
c. trends reoccur so that groups of elements share the similar chemical properties
d. all of the above
4. Chemistry and all of science moves towards states which include…
a. higher energy and high disorder.
b. higher energy and low disorder.
c. lower energy and low disorder.
d. lower energy and high disorder.
5. Fill in the blanks.
_______ energy represents ________ stability.
a. Higher, more
b. Higher, less
c. Lower, less
d. all of the above
6. Orbitals are regions of space around the nucleus where a/an _______ is likely to be located.
a. proton b. electrons c. nucleus d. neutrons
7. What is the maximum number of electrons that can exist an any d orbital.
a. 1 b. 2 c. 3 d. 4 e. 5 f. 6
8. What is the maximum number of electrons that can exist an any d sublevel.
a. 2 b. 6 c. 10 d. 12 e. 14 f. 18