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subatomic particles

Chem A review for subatomic particles

QuestionAnswer
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
Created by: lb goodlock
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