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Definition
water in its gas state
clouds are water vapor |
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Term
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Definition
change from a liquid to a gas
the water in the cup everated |
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Term
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Definition
smallest particle of matter that has all the same characteristics as that type of matter
atoms are super small |
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Term
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Definition
| a part of the atom that has a positive charge ; is found in the nucleus |
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Term
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Definition
a part of the atom that has neither a negative or a positive charge found in the nucleus
neutrons have no charge becaues nuetron stand for neutral |
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Term
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Definition
a part of the atom that has a negative charge
the electrons orbit the nucleus |
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Term
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Definition
the central part of an atom
the nucleus contains protons and nuetrons |
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Term
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Definition
having to do with electricity; positive or negative
if something doesn't have a charge it is nuetral |
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Term
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Definition
number of protons in the nucleus of an atom
it is located on the top right of the periodic table |
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Term
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Definition
total number of protons and neutrons in the nucleus of an atom
the atomic mass is located at the bottom of the periodic table |
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Term
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Definition
two or more atoms with the same atomic number but a different atomic mass
carbon is an isotope |
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Term
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Definition
units to measure the mass of an atom
the atomic mass of oxygen is 16 atomic mass units |
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Term
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Definition
energy levels in which electrons are arranged around the nucleus
the inner shell can only hold 2 electrons |
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Term
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Definition
short way of a compound
the formula for salt is NaCl |
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Term
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Definition
matter made up of 2 or more elements
salt is a compound and is made up of sodium and chlorine |
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Term
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Definition
the smallest part of a compound that has all the properties of that compound
the molecule for water is H2O |
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Term
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Definition
change in matter that does not produce any new products or substances
mixing salt and pepper |
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Term
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Definition
changes in matter that produce new substances
melting of suger |
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Term
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Definition
two or more substances that are physically combined
mixing salt and water is an example of a mixture |
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Term
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Definition
The study of matters properties, changes that matter undergoes, and laws that describe these changes
we studied the periodic table in chemistry |
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Term
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Definition
takes up space and has mass
wood |
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Term
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Definition
power that causes movement
electricity |
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Term
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Definition
phases of matter with a definite shape and volume
ice is waters solid |
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Term
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Definition
phases of matter with no definite shape or volume
water vapor is water in the gas state |
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Term
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Definition
phase of matter with a definite volum but not shape
water is a liquid |
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Term
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Definition
a highly ionized gas containing an approximately equal number of positive ions and electrons
the sun |
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Term
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Definition
solid changing to a liquid
ice to water |
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Term
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Definition
liquid to gas
water to water vapor |
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Term
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Definition
gas to liquid
water vaper to water |
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Term
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Definition
liquid to solid
water to ice |
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Term
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Definition
solid to gas
ice to water vapor |
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Term
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Definition
gas to solid
water vapor to ice |
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