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WorksheetsChemistry Vocab
Total questions: 25
Worksheet time: 25mins
Define Mass
Two or more substances that are together in the same place but their atoms are not chemically bonded.
A measure of the force of gravity acting on an object.
The amount of matter in an object.
Anything that has mass and takes up space.
Definition of Chemistry
The basic particle from which all elements are made; the smallest particle of an element that has the properties of that element.
A substance made of two or more elements chemically combined in a specific ratio, or proportion.
A process in which substances change into new substances with different properties.
The study of the properties of matter and how matter changes.
A substance that cannot be broken down into any other substances by chemical or physical means.
Element
Atom
Molecule
Chemical Change
Definition of Matter
The amount of matter in an object.
Anything that has mass and takes up space.
The basic particle from which all elements are made; the smallest particle of an element that has the properties of that element.
A neutral group of two or more atoms held together by covalent bonds.
________________: The principle that the total amount of matter is neither created nor destroyed during any chemical or physical change.
law of conservation of mass
International system of units
Define Substance
The basic particle from which all elements are made; the smallest particle of an element that has the properties of that element.
A single kind of matter that is pure and has a specific set of properties.
A substance that cannot be broken down into any other substances by chemical or physical means.
A neutral group of two or more atoms held together by covalent bonds.
How hot or cold something is; a measure of the average energy of motion of the particles of a substance.
Thermal Energy
Heat
Temperature
Atom
International system of units
A representation of the valence electrons in an atom, using dots.
The sum of protons and neutrons in the nucleus of an atom.
The amount of matter in an object.
A system of measurement based on multiples of ten and on established measures of mass, length, and time.
Symbols that show the elements in a compound and the ratio of atoms.
chemical energy
chemical formula
chemical change
Atom
The study of the properties of matter and how matter changes.
The basic particle from which all elements are made; the smallest particle of an element that has the properties of that element.
The average mass of all the isotopes of an element.
A neutral group of two or more atoms held together by covalent bonds.
A measure of the force of gravity acting on an object.
mass
weight
A change in which energy is absorbed.
Endothermic Change
Exothermic Change
Two or more substances that are together in the same place but their atoms are not chemically bonded.
Mixture
Solution
Element
Physical Property
A characteristic of a substance that describes its ability to change into different substances.
A characteristic of a pure substance that can be observed without changing it into another substance.
A characteristic of a substance that describes its ability to change into different substances.
Chemical Property
Physical Property
The total energy of all the particles of an object.
Thermal Energy
Chemical Energy
Density
The ratio of the mass of a substance to its volume (mass divided by volume).
A state of matter that has a definite shape and a definite volume.
A measure of the force of gravity acting on an object.
The amount of space that matter occupies.
A change in which energy is released.
Exothermic Change
Endothermic Change
A substance made of two or more elements chemically combined in a specific ratio, or proportion.
Compound
Substance
Atom
Element
Chemical Bond
The amount of matter in an object.
The force of attraction that holds two atoms together.
A change that alters the form or appearance of a material but does not make the material into another substance.
The ratio of the mass of a substance to its volume (mass divided by volume).
A form of energy that is stored in chemical bonds between atoms.
Chemical Energy
Thermal Energy
Chemical Change
A change that alters the form or appearance of a material but does not make the material into another substance
A change in which one or more substances combine or break apart to form new substances.
A change that alters the form or appearance of a material but does not make the material into another substance
Physical Change
Chemical Change
Molecule
The basic particle from which all elements are made; the smallest particle of an element that has the properties of that element.
A neutral group of two or more atoms held together by covalent bonds.
The amount of space that matter occupies.
Volume
Density
Weight
