Parts of an atom
What is the part in the center of an atom called?
Nucleus
What number in a square shows the amount of protons in the nucleus of an atom?
Atomic Number
What are the numbers written below and to the right of the chemical symbol called?
Subscripts
What elements conduct heat and electricity well and are located in the left of the periodic table?
Metals
What is it called when the amount of reactants are increased?
Increasing Concentration
What part of an atom has a positive charge?
Protons
What abbreviates to the element's name?
Chemical Symbol
What are the large numbers on the beginning of a chemical formula?
Coefficients
What elements are poor conductors of heat and electricity and are located in the far right of the periodic table?
Nonmetals
What is it called when reactants are exposed to more surface area?
Increasing Surface Area
What part of an atom is the quickest and smallest?
Electrons
What is the name of an element's name called?
Chemical Name
What is the end result of a reaction called?
Product
What are the elements that have properties of both metals and nonmetals and are located in the center of the two types of elements?
Metalloids
How to you change the speed of particles and the ate of the reaction?
Increasing Temperature
What are the parts in a nucleus?
Protons and Neutrons
What is the number that shows the average weight of all naturally occurring isotopes of that element?
Average Atomic Mass
What are the substances that participate in a chemical reaction called?
Reactants
What are the vertical columns in the periodic table called?
Groups
What speeds up the rate of a reaction while not being used up?
Catalysts
What are an electron's orbit also called?
Shells
Subtract the atomic number by the average atomic mass.
What is the only number you can change in an equation that won't effect the identity of the compound?
Coefficients
What are the horizontal rows in a periodic table called?
Periods
What the name of one catalyst that is produced by a living organism?
Enzyme