| Question | Answer |
| What is the electrical charge of an electron | negative
|
Where is the nucleus of an atom | the center
| What is the Atomic Number of oxygen | 8
| What is formed when two or more elements chemically combine | compound
| The smallest unit of matter | the atom
| Which sub group of elements are found on the left side of the Periodic Table | metals
| What does the atomic mass tell you | number of protons and neutrons in nucleus
| A combination of different elements and/or compounds not chemically combined | mixture
| This tells you the number of atoms of each element that make up a compound | Chemical Formula
| Matter cannot be created or destroyed in a chemical reaction | Law of Conservation of Mass/Matter
| These elements are mostly gases at room temp., do not conduct electricity, and have low boiling points | Non metals
| Anything that has a mass and volume | matter
| A balanced chemical equation | 2 H2 + O2 > 2 H2O
| Properties that can be measured or observed without changing the substance | physical properties
| The chemical symbol for Iron | Fe
| The elements on the Periodic Table are arranged in order of | atomic number
| The element found in Group 17, Period 3 of the Periodic Table | Chlorine
| The number of neutrons in a typical Neon atom | 10
| The left side of the arrow in a chemical reaction equation | Reactants
| The first energy level of an atom can hold what max number of electrons | 2
| How many electron energy levels does an atom of Mercury have | 6
| These properties describe how easily an element combines with other elements | chemical properties
| The ability of an element to transfer heat and/or electricity | conductivity
| The temperature that a substance changes from a solid to a liquid | melting point
| The number of valence electrons surrounding an atom of Boron | 3
| These have a definite composition that does not vary | pure substance
| A measure of how shiny a substance is | luster |
