Matter
Matter is whatever has these two properties:
What are mass and volume?
_____ and _____ are called nucleons, because they are found in the nucleus.
What are protons and neutrons?
Avogadro's number is _____.
What is 6.022 x 1023?
Density is equal to _____ divided by ______.
What are mass and volume?
Chemistry is the study of ______ and how it ______.
What are matter, and how does it change?
The ____ is the smallest unit of matter.
What is the atom?
This subatomic particle has basically 0 mass, and the only thing it really does is change the charge on an atom.
What is an electron?
@STP, one mole of gas takes up _____ liters.
What is 22.4?
The prefix "-kilo" means _____.
What is 1000?
The atom is made of 2 parts, the ______ and the _______.
What are the nucleus and electron cloud?
A chemically bonded group of atoms of different elements is called a ______.
What is a molecule?
When you add more neutrons it changes the _____ of an atom. Atoms with a different number of neutrons than protons are called _______.
What is mass, and what are isotopes?
The amount of grams of a substance per mole of it is called the _______.
What is molar mass?
When multiplying numbers, use the _____ amount of sig figs.
What is least?
The father of modern chemistry is ______________.
Who is Antoine Lavoisier?
Saltwater is an example of this kind of mixture.
What is a homogeneous mixture (solution)?
6529Cu has ___ neutrons.
What is 36?
Avogadro's number is based on the mass of this carbon isotope.
What is carbon-12?
2.4070 has ___ sig figs.
What is 5?
The scientist behind the gold foil experiment was ______.
Who was Ernest Rutherford?
The 4 methods of separating mixtures are:
What are filtration, evaporation, distillation, and decanting?
Subatomic particles are smaller than atoms, but aren't the smallest unit of matter. This is because they don't retain any unique ________.
What are chemical properties?
3 moles of CO2 has about _______ molecules of CO2 in it.
How much is ~1.8 x 1024?
When finding average atomic mass, we use a ______ average.
What is a weighted average?
Temperature is measure of the _________ of the atoms in a substance.
What is average speed?