Matter
Anything that takes up space; and has volume and mass.
What is matter?
A negatively charged subatomic particle that orbits the nucleus of an atom.
What is an electron?
The smallest unit of matter that has the properties of an element.
What is an atom?
An atom with 10 neutrons and 12 protons has this as an atomic number.
What is 12?
Changes of a substance that are observed when a substance changes to produce a different substance. (Burning paper)
What are chemical change?
Matter that has a fixed volume and a fixed shape.
What is a solid?
A positively charge subatomic particle in the nucleus of an atom.
What is a proton?
A combination of one or more elements joined by electron sharing.
What is a molecule?
This is the atomic number of Oxygen.
What is a 8?
Smell and color are these type of properties of matter.
(intensive) Physical properties
Matter that has a fixed volume but does not have a definite shape. It can change shape to fit different containers.
What is a liquid?
The total number of protons and neutrons in the nucleus of an atom.
What is the atomic mass of an atom?
A type of molecule that contains atoms of two or more different elements.
What is a compound?
Hydrogen usually has an atomic mass of 1 meaning it usually has this many neutrons.
What is 0?
Smell, color, and the mass of a substance are example of ____________ properties.
What are physical properties?
The process of a liquid becoming a gas?
What is evaporation?
The total number of protons in an atom.
What is the atomic number of an atom?
Atoms of the same element that have the same number of protons but a different number of neutrons.
What is an isotope?
Water is an example of this. (2 or more elements chemically combined)
What is a compound?
These are examples of _________properties: acidity, stability, reactivity, flammabiliity, ability to rust
What are chemical properties?
The formula for density is __________.
What is Density = Mass/Volume
The subatomic particle that determines the chemical identity of an atom/element.
What is a proton?
Atoms that gain or lose an electron become ________ because they have an electric charge
What is an ion?
This is atomic mass of an atom with 20 electrons, 20 protons, and 18 neutrons.
What is 38?
This is 2 or more substances not chemically combined.
What is a mixture?