PART 1. From the lessons presented, complete the following statements.
1. An atom is made of a ________________, an _______________, and a _________________.
2. A molecule is a combination of two or more __________________ that are chemically
combined.
3. The term atom came from the Greek word ___________________ meaning indivisible.
4. The ____________________________ is the same as the number of electrons and the
number of protons in a neutral atom.
5. To get the number of neutrons, the atomic number is subtracted from the
____________________________.
Answers & Comments
Answer:
1. Protons, Neutrons and Electrons
2. atoms
3. atomos
4. number of protons
5. mass number
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