Atoms
All matter is made up of this
What are Atoms?
Reactants are on this side of the chemical equation.
What is the left?
Things that are listed in the periodic table by atomic number.
What are elements?
Two or more elements chemically combined.
The state of matter with molecules that are spaced the farthest apart.
What is a gas?
The smallest chemical structure used to represent a chemical.
What is an atom?
This is a chemical that can speed up or start a chemical reaction.
What is a catalyst?
The number of this subatomic particle decides which element an atom belongs to.
What are protons?
two or more substances physically combined.
Because the reaction created heat, elephant toothpaste is considered this type of chemical reaction.
What is an exothermic reaction?
Two or more atoms chemically bonded.
What is a molecule?
Bubbles that result from vinegar and baking soda mixing contain these two compounds.
What are water and carbon dioxide?
The two subatomic particles that combine to make the atomic mass of an element.
Strawberry milkshakes, made from combining strawberry syrup with milk, is considered this type of ECM.
This element has only 1 proton.
What is Hydrogen?
A positively charged subatomic particle.
What is a proton?
A neutralization reaction results from mixing these two substances.
What is an acid and a base?
A vertical column in the periodic table is called this.
What is a group/ family?
Salt, sodium chloride, or NaCl, is this type of ECM.
What is a compound?
The nucleus contains these subatomic particles.
What is the nucleus?
The inner most electron ring can hold this amount of electrons.
What is 2?
These are the reactants in elephant toothpaste.
What are dish soap and hydrogen peroxide?
The number of elements that are in the periodic table.
What is 118?
A pure substance with atoms of only one atomic number are this ECM.
What is an element?
The second electron ring can hold this many electrons.
What is 8?