The basic subatomic particles are:
electrons →outside nucleus→(-) charge→ mass = 0.00549 amu
protons →inside nucleus→ (+) charge→mass = 1.007 amu
neutrons→inside nucleus →neutral charge→mass =1.008 amu
Basic atomic model:
Analyze each statement:
Which statement best explains how the mass of an atom is organized?
A. Most of the mass is contained in the nucleus.
B. The mass is spread evenly throughout the whole atom.
C. The mass is spread evenly throughout the electron cloud.
D. Most of the mass is contained in the electron cloud.
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