Vocabulary
The tiny building block of matter, made up of protons, neutrons, and electrons.
What is an Atom
Composed of two or more substances that are not chemically combined.
What is Mixture
Has a positive electric charge
What is a proton
Anything that has mass and takes up space
What is Matter
Has the atomic number of 5
What is Boron
Atoms of more than one type of element that are chemically bonded together.
What is a Compound
The measurement of the mass of an object divided by its volume
What is Density
A particle without a electric charge
What is a neutron
A group of atoms connected by covalent bonds
What is a molecule
Has the atomic number of 1
The number of protons in an atom
What is an Atomic Number
The particle with negative charge
What is a electron
Electrically-charged atom whose charge results from an atom losing or gaining electrons
What is an Ion
The force that holds atoms together
What is a Chemical Bond
What is Lithium
A mixture which is evenly mixed throughout; also known as a homogeneous mixture
What is Solution
A mixture which is not mixed evenly and each component retains its own properties
What is heterogeneous mixture
Atoms of the same element that have different numbers of neutrons
What is isotopes
has 6 protons
What is carbon-12
Has the atomic number of 16
What is Sulfur
The number of protons plus the number of neutrons in an atom
What is Mass Number
A mixture which is evenly mixed throughout
What is a homogeneous mixture
Substance that is made of only one type of atom
What is an Element
Has 8 neutrons
what is Carbon--14
Has the atomic number of 18
What is Argon