What are the three main structures that make up an atom?
What protons, neutrons, and electrons?
100
What electrical charges do protons, neutrons, and electrons each hold?
What are protons have a positive charge, neutrons have a neutral charge, and electrons have a negative charge?
100
Atoms of the same kind bond together to form _____________.
What are elements?
100
The four states of matter include _____________________.
What are solids, liquids, gases, and plasmas?
100
Atoms in a gas are constantly in ___________ and colliding with other gas molecules and objects in the area.
What is motion?
200
What are the tiny particles called that make up protons and neutrons?
What are quarks?
200
What two subatomic particles make up the nucleus of an atom?
What are protons and neutrons?
200
Two or more atoms that are bonded together and form the simplest part of a chemical compound are called _______________.
What are molecules?
200
The __________ state of matter occurs when a gas becomes ionized (the electrons leave the atom and electrical charges occur).
What is plasma?
200
Because gas molecules are constantly moving rapidly, have little attraction to other gas molecules, and are spread out, most gases have very low __________.
What is densities?
300
In order for helium to become a boron atom, there must be _______ protons added to the atom's nucleus.
What is 3?
300
What combination of quarks make up a proton?
What are 2 up quarks and 1 down quark?
300
When two or more elements bond together they form a _____________.
What is a compound?
300
List the states of matter from the least dense to the most dense atom arrangement.
What is plasma, gas, liquid, and solid?
300
If the volume of a gas is constant, then as the temperature of the gas increases the __________ will also increase. This is _________ Law.
What is pressure?
Who is Gay-Lussac's?
400
An atom that has a different number of protons than electrons is said to be ______________.
What is ionized?
400
When an atom's nucleus contains more or less neutrons than protons then the atoms is called an ____________.
What is an isotope?
400
Atoms bond together using the _____________ in their outer shells.
What are electrons?
400
When an element reaches its ____ ____ it becomes a liquid and when it reaches its ____ ____ it becomes a gas.
What is melting point and boiling point?
400
When the temperature of a gas is kept constant then the volume of the gas will decrease as the pressure _________. Whose gas law is this?
What is increases?
Who is Boyle?
500
How many quarks are needed to make up the nucleus of lithium?
What is 18?
500
Carbon- 14 is an _____________ of carbon because it has 8 neutrons in its nucleus.
What is an isotope?
500
Compounds cannot be broken down by physical forces, however ___________ __________ can break down compounds and even form new ones.
What are chemical changes?
500
Because each substance has a unique _______ and _______ _______, we can observe different states of matter in a room with a constant temperature.
What is boiling point and melting point?
500
What does Charles' Law state will happen to a gas if the pressure is kept constant?
What is that if the pressure of a gas is kept constant then as the temperature of the gas increases the volume will also increase.