Matter
What is anything that has mass and takes up space?
Matter
What is the smallest unit of matter?
Atom
What forms when two or more atoms join together?
a Molecule
What is something you can observe or measure about matter?
a Property
What is a repeating pattern of atoms or molecules?
Name the three main states of matter.
Solid, Liquid, Gas
What is a pure substance made of one kind of atom?
Element
What is a chemical bond?
A force that holds atoms together.
Give one example of a physical property.
Color, shape, size, or state of matter
Give an example of an extended structure.
What happens when matter changes from solid to liquid?
Melting
What are the three parts of an atom?
Proton, Neutron, Electron
What kind of bond shares electrons?
Covalent Bonds
Give one example of a chemical property.
Flammability or ability to rust
What is a crystal?
A solid with a repeating pattern of atoms or molecules
What is the process of a gas changing to a liquid?
Condensation
What is the center of the atom called?
Nucleus
What kind of bond transfers electrons?
Ionic Bonds
What does density measure?
How much mass is in a certain volume
Give one example of a crystal found in nature.
Snowflake, diamond, or salt
What property of matter describes how much space it takes up?
Volume
What is the symbol for oxygen on the periodic table?
O
What is the difference between an element and a molecule?
An element has only one type of atom, while a molecule has two or more atoms bonded together.
What type of property describes how something reacts with other substances?
Chemical Property
What kind of structure do snowflakes form?
A crystal structure with a hexagonal pattern