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subatomic particles
Chem A review for subatomic particles
Question | Answer |
---|---|
Name for the center of an atom | nucleus |
subatomic particle with a positive charge | proton |
subatomic particle with no charge | neutron |
subatomic particle with a negative charge | electron |
subatomic particles found in the nucleus | proton and neutron |
subatomic particle that orbits the nucleus | electron |
name for a row going left and right across the periodic table | period |
name for a column running up and down the periodic table | family or group |
What is the definition for an element? | atoms that are the same |
What is the definition for a compound? | one or more types of atoms that are bonded together |
How does a chemical formula show an element is a compound? | The symbols are all connected. H2O, CO2 |
Where are electrons found? | Orbiting the nucleus |
Where are protons found? | In the nucleus |
Where are neutrons found? | In the nucleus |
What can you tell about an atom from the atomic number? | The number of protons or the number of electrons. |
Which subatomic particles are used to determine atomic mass? | The number of protons and neutrons |
What is the mass of a proton? | 1 atomic mass unit or 1 amu |
What is the mass of a neutron? | 1 atomic mass unit or 1 amu |