38 terms

chemistry chapter 2 vocab

chemistry chapter 2 vocab

Terms in this set (...)

a solid solution containing metals
aqueous solution
a solution in which the solvent is water
the smallest particle of an element that has the properties of that element
atomic number
The number of protons in an atom
a certain amount of electricity
chemical bond
a bond formed when two atoms share or transfer electrons
chemical change
A change in a substance that results in one or more different substances being formed
chemical formula
A group of symbols that shows the number and kinds of atoms in a compound
chemical property
a characteristic that describes how a substance changes into one or more different substances
chemical reaction
The chemical changes involved when one or more substances react, forming one or more different substances
a substance that consists of two or more kinds of atoms that are bonded
existing as pairs of bonded atoms
a particle with a negative charge in an atom
a substance that is made of only one kind of atom
the ability to do work or produce heat
a state of matter with no definite shape or volume; it takes the shape and volume of its container
heterogeneous mixture
a mixture in which one or more substances are unevenly mixed throughout
homogeneous mixture
a mixture in which all of the individual substances are evenly mixed throughout; a solution
a state of matter that has a definite volume, but takes the shape of its container
an element found on the left side of the periodic table; often a shiny solid that can conduct heat and electricity
two or more substances mixed together; the properties of each substance are not affected by mixing
existing as single atoms
a particle with no charge in the nucleus of an atom
an element found on the right side of the periodic table; often a gas or full solid that does not conduct heat or electricity
the center of an atom; consists of neutrons and protons
periodic table
a table that shows the names and symbols of elements and is organized by atomic number and electron arrangement
physical change
a change in a substance that affects its physical properties, but not its chemical properties
physical property
a characteristic of a substance that can be observed without changing the substance
existing as groups of three or more bonded atoms
a particle with a positive charge in the nucleus of an atom
an element that has properties of both a metal and a nonmetal; located between metals and nonmetals on the periodic table
a state of matter that has a definite shape and volume
a substance that is dissolved in a solvent to create a solution
a homogeneous mixture of one or more solutes dissolved in a solvent
the substance that a solute is dissolved in; usually the substance in a solution that is present in the greatest amount
the physical form of a substance; solid, liquid, or gas
A number written just below the writing line; in chemical formulas, it tells the
number of atoms of a certain element
A kind of matter with a definite makeup and definite chemical and physical
properties; an element or a compound