click below
click below
Normal Size Small Size show me how
The Atomic Model
chem
Question | Answer |
---|---|
An atom is the smallest part of a: | element |
A molecule is the smallest part of a: | compound (2 or more atoms) |
Mass of an electron: | 0.00054u |
Two characteristics of the nucleus: | 1) Atomic # 2) Atomic Mass |
What is an isotope? | Isotopes of elements have all the same chemical characteristics. However, they differ in mass. The isotope closer to the average atomic mass has the largest natural abundance. |
What is a radioisotope? | Radioisotopes are made in nuclear reactors. The nuclei do not exist naturally. (radioactive) |
Draw a Bohr-Rutherford diagram for a phosphorus atom, isotope P-32: | (see pg. 8 of notebook) |