What is Matter?
Anything that has mass and takes up space.
What is a physical property?
A characteristic that can be observed without changing the substance.
What are atoms?
A basic particle from which all elements are made.
What is an element?
A substance that cannot be broken down into any other substance by chemical or physical means. .
What are molecules?
Two or more atoms combined.
What are Properties?
Characteristics used to describe matter.
What is a substance?
A single kind of matter that always has the same makeup.
What are the smallest pieces of an element?
An atom.
What are the simplest substances?
Elements.
What is a chemical bond?
The force that holds two atoms together in a compound.
What is chemistry?
The study of the properties and how they change.
What are some examples of physical properties? (3)
Color, texture, state of matter, luster, solubility, conductivity, freezing/ melting point, and ductility.
What are atoms made up of?
Nucleus, Protons, Neutrons, and Electrons.
What is all matter made up of?
Elements.
What can a molecule be made of?
It can be made of the same or different atoms.
What is an example of nonmatter and matter?
Nonmatter is anything with no mass.
Ex. heat energy.
Matter is anything with mass and takes up space.
Ex. water
What is a chemical property?
Characteristics of a pure substance that describes it's ability to change into different substances.
How many atoms of hydrogen are in glucose?
C6H12O6
What can elements be identified by?
Their chemical and physical properties, element symbol, or atomic number.
What do atoms of elements have the ability to do?
Combine with atoms of other elements.
What can properties be?
Chemical or physical.
What are some examples of chemical properties?
Gas Production, Flammability, Tarnishing, and Rusting.
How many atoms of oxygen are there?
2H2O + 2SO3
There are 8 oxygen.
What are elements represented by?
By One or Two letters.
How many molecules of water are there?
6NaCl + H2O
One molecule of H2O