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Radio chpt2 test rev

QuestionAnswer
What is the fundamental unit if matter? atom
What does the nucleus of an atom contain? protons and neutrons
Which subatomic particle carries a negative electrical charge? electron
Which element is the simplest atom? hydrogen
The orbits, or shells, of the atom share this: the energy level within the shells are the same
The binding energy /force of an electron is? Weaker for electrons located in outer shells than for inner shells
T/F An atom that gains an electron will have a negative charge. True
T/F An atom that loses and electron will have a negative charge. False
An atom that loses an electron will have a positive charge. True
What causes an ion pair? when an electron is removed from an atom
What is Radioactivity? process of which
Created by: laguiar