What is Matter
True or False: Everything on Earth is made up of matter?
True
What tools are used to measure mass?
a scale or triple beam balance
Has a negative charge
an electron
is the smallest unit of matter
an atom
Matter has both _______ and _______.
mass and volume
What are units of measurement for mass?
milligrams (mg), grams (g), kilograms (kg)
has a neutral charge
makes up the atomic mass
protons and neutrons
The amount of stuff in something or the quantity of matter in an object
what tools do we use to find volume?
a ruler or a graduated cylinder
has a positive charge
the atomic number is = _________ and __________
the amount of protons and the amount of electrons
What is volume?
the amount of space something takes up or the quantity of a three-dimensional space of an object
what is the formula to find density?
d=M/V
makes up the nucleus of the atom
protons and neutrons
How do you find the amount of neutrons in an atom?
Subtract the atomic # from the atomic mass
What is density?
the measurement of mass per(/) volume or the compactness of stuff in an object
What are some units of measurement for density?
orbits around the nucleus
electrons
How many electrons can fit in the first orbit? How many can fit in the other orbits?
2 electrons can fit in the first and 8 electrons can fit in any other orbit after the first.