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a characteristic of a substance that can be observed without changing the identity of a substance
physical property
nonmetals
subatomic particles
charge
metals
nitrogen and oxygen
called periods in order of their atomic number
isotopes
atoms that contain the same number of protons but a different amount of neutrons
physical property
nonmetals
subatomic particles
charge
metals
nitrogen and oxygen
called periods in order of their atomic number
isotopes
What do protons and electrons have that neutrons do not?
physical property
nonmetals
subatomic particles
charge
metals
nitrogen and oxygen
called periods in order of their atomic number
isotopes
What elements are most abundant in Earth's atmosphere?
physical property
nonmetals
subatomic particles
charge
metals
nitrogen and oxygen
called periods in order of their atomic number
isotopes
In the periodic table, the elements are arranged in 7 rows
physical property
nonmetals
subatomic particles
charge
metals
nitrogen and oxygen
called periods in order of their atomic number
isotopes
elements that are poor conductors of electricity and heat; are dull and brittle
physical property
nonmetals
subatomic particles
charge
metals
nitrogen and oxygen
called periods in order of their atomic number
isotopes
elements that conduct electricity and heat well; are shiny and malleable
physical property
nonmetals
subatomic particles
charge
metals
nitrogen and oxygen
called periods in order of their atomic number
isotopes
the smaller particles that make up an atom
physical property
nonmetals
subatomic particles
charge
metals
nitrogen and oxygen
called periods in order of their atomic number
isotopes
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