Atom
The smallest particle into which an element can be divided and still have the same properties.
What is an atom?
The table in which the elements are arranged.
What is the Periodic Table?
Something shiny that conducts heat and electricity well.
What is a metal?
A reaction that requires an input of energy.
What is an endothermic reaction?
Amount of reactants in a given volume.
What is concentration?
A positively charged particle.
What is a proton?
An abbreviation for an element.
What is the chemical symbol?
Something that is bad at conducting heat and electricity.
What is a nonmetal?
A reaction in which energy is released.
What is an exothermic reaction?
Amount of particles exposed to each other.
What is surface area?
A negatively charged particle.
What is an electron?
The average of the masses of all the naturally occurring isotopes.
What is the average atomic mass?
Something that has both properties of a metal and a nonmetal.
What is a metalloid?
The substances that react in chemical reactions.
What are reactants?
Higher of this makes particles move faster.
The number of protons in an atom of an element.
What is the atomic number?
A horizontal row of the Periodic Table.
What is a period?
Ability to be formed into different shapes.
What does it mean to be malleable?
The substances formed in a chemical reaction.
What are products?
This brings reactants together.
What are catalysts?
The total number of protons and neutrons in an atom's nucleus.
What is the mass number?
A vertical column of the Periodic Table.
What is a group?
Ability to be made into wires.
What does it mean to be ductile?
The law that states that no matter can be created or destroyed.
What is the law of conservation of energy?
These are catalysts found in living things.
What are enzymes?