Multiple Choice
The nuclear model of the atom was constructed from which fundamental experiment?
A) alpha particle scattering by thin metal foils
B) cathode ray behavior in electrical fields
C) atomic spectra from gas discharge tubes
D) electrolysis of water
Correct Answer:
Verified
Correct Answer:
Verified
Q61: If X can represent the chemical symbol
Q62: Write the electron configuration for potassium.
Q63: The mass of a nucleon is approximately
Q64: The neutron has<br>A)the same approximate mass and
Q65: The noble gases are a unique group
Q67: Alkali metals have an ns ² outer
Q68: With the discovery of isotopes,which postulate of
Q69: Elements in the same period generally have<br>A)different
Q70: Tritium is the common name for<br>A)hydrogen-0.<br>B)hydrogen-1.<br>C)hydrogen-2.<br>D)hydrogen-3.
Q71: An anion is a<br>A)negatively charged ion.<br>B)positively charged