Matter
Matter is anything that.....
Has mass and volume (takes up space)
The 3 common states of matter are....
Solid, Liquid and Gas
a substance made up of only one type of atom is called...
Element
What is located inside the nucleus of an atom?
Protons and neutrons
An atom that has gained or lost electrons is called an...
Ion.
The amount of space an object takes up is called...
Volume
The state of matter with the least energy is...
solid
The 3 parts of an atom are....
Protons, neutrons, and electrons
What is located on the outer part of an atom?
Electrons
What do we call an atom that has different number of neutrons than other atoms of the same element?
Isotopes
How much matter is in an object is called....
Mass
The state of matter with the most energy is...
gas
The part of an atom with a positive charge is.....
proton
An element is determine by the number of these in an atom
Protons
How do you calculate the number of neutrons in an isotope (or any atom)
Subtract the atomic number (number of protons) from the atomic mass (number of protons and neutrons)
How tightly packed the matter in an object is....
Density
Substances change their state of matter based on...
Heat/ Temperature
The part of an atom with a negative charge....
electron
The number of these in an atom can NEVER change.
Protons.
Ions may have a positive or negative charge. Why are most atoms neutral (they have no charge)
They have an equal number of protons and electrons
Matter is never created or destroyed, only changed. This is called the.....
Law of conservation of matter
The only state of matter that can change shape and volume.
gas
The part of an atom with no charge....
neutron
The amount of time it take for half of the radioactive atoms to decay is called the...
Half life
The amount of time it take for half of the radioactive atoms to decay is called the...
Half Life