Density
Atoms
States of matter
Periodic Table
Chemical Reactions
100
This is what dense objects do in water
What is sink
100
A neutron is a subatomic particle with this charge
What is neutral
100
During this state, atoms vibrate in place
What is a solid
100
All the elements (atoms) in the universe can be organized in this table that a Russian scientists put together
What is the periodic table of the elements
100
During a chemical reaction, molecules or compounds bump and break into atoms and rearrange to form new substances called this
What are products
200
Mass divided by volume is what you do to find this.
What is density
200
In the periodic table, the number of protons in the nucleus is given by this
What is the atomic number
200
All matter is made of this small units that are "uncuttable"
What are atoms
200
Most of the periodic table are examples of these atoms that love electricity and heat
What are metals
200
During some chemical reactions energy is given off the temperature should do this
What is rise or increase
300
It has units of milliliters or centimeters cubed
What is volume
300
In an atom, this area carries the protons
What is the nucleus
300
When gas condenses, the cold temperature does this to the speed of the atoms
What is slow them down
300
The name of the last column of the periodic table that has atoms with 8 electrons on their last ring and they don't want to bond with anything else
What are noble gases
300
When writing a chemical formula for water, you need 2 hydrogen and 1 oxygen. You could also write it like this-
What is H2O
400
The force that holds things up while floating is
What is Buoyancy
400
Ions are atoms that have a charge because they lost or gained these negatively charged particles from their outer electron shells
What are electrons
400
During this state, atoms move around but still touch
What is liquid state
400
Au is the ____________ of gold.
What is its chemical symbol
400
In the law of conservation of mass, it states that nothing is ever created or _______________
What is destroyed
500
Objects that sink in water have a density greater than this
What is 1
500
When two or more different types of atoms bond (connect)
What is a compound
500
When matter experiences extreme temperatures and pressures so much that the electrons separate from the nucleus to form this state
What is plasma
500
Oxygen is found on the top right side of the periodic table, and it belongs to this group
What are the nonmetals
500
When writing a chemical equations, thi symbol is used between the reactants and products
What is an ---> (an arrow)
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