Vocab. 1
What is matter?
Anything that has mass and takes up space (has volume)
What is the formula for water?
H2O
The amount of space is called what?
Volume
A substance turns from a liquid to a solid.
Melting point
In a solid, how packed together are the atoms?
Atoms are tightly packed and do not move past each other.
The substance that dissolves the solute is what?
Solvent
What is the element for hydrogen
H
A substance turns from a liquid to a gas.
Boiling point
What is solubility?
The ability for a substance to dissolve
In a gas, how packed together are the atoms?
Atoms are not packed tightly together and have so much energy they slip past each other quickly.
The amount of matter is called what?
Mass
What is the element for aluminum?
Al
The substance that is being dissolved in a solution is what?
Solute
The amount of a substance that is in a specific amount of space is called the what?
Density
In a liquid, how packed together are the atoms?
Atoms are packed tightly together, but not as tightly as solids. The atoms have enough room to flow past each other.
What is an atom?
A particle that makes up matter
What is the formula for carbon dioxide?
CO2
What is the definition of chemical change?
A change that creates a NEW material
What is the definition of phase change?
The process of a substance going from one phase of matter to another without changing any chemical properties
What is the equation for density?
Density = mass/volume
What is an element?
A substance (solid, liquid, gas) that makes up matter.
What is the element for silver?
Ag
A heterogeneous combination of two or more substances that keep their properties is called what?
Mixture
What is temperature?
The measurement of the amount of kinetic (or motion) energy within a substance
Is everything made of matter?
Yes, but also no because energy is the only thing not made of matter and matter is things you can physically touch.