Section 19.1: Reading Questions (pg. 668-677) on pg. 39
1. It states in your text that there are about 2000
nuclides known. How can this be possible if there are only about 100 elements?
2. Write the charge, mass number, and symbol for a
beta particle and an alpha particle.
3. By how many units does the mass number of a nucleus
change when the nucleus produces an alpha particle? By how many units does the mass number of a
nucleus change when the atom produces a beta particle? Is each change an increase or a decrease in
mass number?
4. Draw what it looks like
when a beta particle leaves the nucleus.
Draw what it looks like when
an alpha particle leaves the atom.
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