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Chemistry: Ch 1 Vocab Quiz

Name: __________________________________

Period: _____________ Date: _______________
Across
An element that conducts heat and electricity poorly and that does not form positive ions in an electrolytic solution.
A characteristic of a substance that does not involve a chemical change, such as density, color, or hardness.
Anything that has mass and takes up space.
The change of a substance from one physical state to another.
A substance made up of atoms of two or more different elements joined by chemical bonds.
A property that depends on the extent or size of a system.
A measure of the amount of matter in an object.
A vertical column of elements in the periodic table; elements in a group share chemical properties.
An element that has properties of both metals and nonmetals; sometimes referred to as a semiconductor.
In physical science, a state of matter that starts as a gas then becomes ionized; it consists of free-moving ions and electrons, it takes on an electric charge, and its properties differ from those of a solid, liquid, or gas.
The smallest unit of an element that maintains the chemical properties of that element.
A change of matter from one form to another without a change in chemical properties.
A sample of matter, either a single element or a single compound, that has definite chemical and physical properties.
A substance that cannot be separated or broken down into simpler substances by chemical means; all atoms of an element have the same atomic number.
Down
A vertical column of the periodic table.
In chemistry, a horizontal row of elements in the periodic table.
An element that is shiny and that conducts heat and electricity well.
A substance that forms in a chemical reaction.
A property of matter that describes a substance's ability to participate in chemical reactions.
A substance or molecule that participates in a chemical reaction.
A property that does not depend on the amount of matter present, such as pressure, temperature, or density.
A homogeneous mixture of two or more substances uniformly dispersed throughout a single phase.
The state of matter that has a definite volume but not a definite shape.
Describes something that has a uniform structure or composition throughout.
Composed of dissimilar components.
The process by which one or more substances change to produce one or more different substances.
A change that occurs when one or more substances change into entirely new substances with different properties.
The state of matter in which the volume and shape of a substance are fixed.
A combination of two or more substances that are not chemically combined.
A form of matter that does not have a definite volume or shape.