Atom
Periodic Table
Chemical Reactions
Chemical Reactions P.2
Periodic Table P.2
100

A positively charged particle.

What is a proton?

100

The number in front of a chemical formula.

(Ex. 3Cl + O)

What is a coefficient

100

A reaction that changes the element's physical and chemical properties.

What is a chemical reaction

100

The left side of a chemical equation

What is a reactant?

100

Element that is shiny and conducts electricity well

What is a metal

200

A particle with a neutral charge.

What is a neutron

200

The abbreviation of a chemical.

What is a chemical symbol

200

The four ways to speed up a chemical reaction

What is surface area, concentration, temperature, and catalyst.

200

The  right side of a chemical equation

What is a product

200

Something that is not a good conductor of heat and energy

What is a nonmetal

300

A negatively charged particle.

What is an electron.

300

The group of elements on the far right of the periodic table

What is noble gases

300

Ways to find out if a chemical reaction has occurred

What is a smell, color, gas emission

300

Something that has two reactants and a product

What is a chemical equation

300

Same properties of a metal and nonmetal

What is a metalloid

400

The middle of an atom that contains protons and neutrons.

What is a nucleus

400

The first element on the periodic table

What is hydrogen

400

What is an inhibitor

What is something that slows down a chemical reaction

400

An element that has a number on the top showing how many protons.

What is an atomic number

400

Matter is neither created nor destroyed

What is Law of Conservation of Mass
500

The outer shell of an atom which contains electrons.

What is the electron cloud.

500

The number below a chemical to show the number of that chemical.

(Ex. O2)

What is a subscript

500

An input of energy to start a chemical reaction

What is activation energy

500

The little number on the bottom of an element that shows the mass of the protons and neutrons.

What is average atomic mass

500

Energy is neither created nor destroyed

What is the Law of Conservation of Energy