Periodic Table Of Elements
A vertical row of elements.
What is a group?
The center of an atom
What is the nucleus?
A formula that uses symbols and numbers to represent a substance
A gas Makes a glowing splint stop glowing
What is Carbon Dioxide gas?
A group of gases in group 18
A horizontal row of elements
What is a period?
The negatively charged particle in an atom.
What is an electron?
A equation that uses symbols to add atoms.
What is a chemical equation?
A gas that makes a glowing splint make a "pop" sound
What is Hydrogen gas?
A symbol abbreviation for a element
A shiny, malleable conductor
What is a metal?
The positively charged particle in an atom.
What is a proton?
The number placed in front of a chemical formula
What is a coefficient?
A gas that makes a glowing splint relight
What is Oxygen gas?
A participant in a chemical reaction
What is a reactant?
The electron on the outer layer of the electron cloud.
What is a valence electron?
The layers that hold electrons in place
What is the electron cloud?
A change that makes a new substance
What is a chemical change?
A catalyst in living organisms
What is an enzyme?
The Russian chemist Dmitri Mendeleev
Who was the creator of the periodic table?
The particles that have no charge in the nucleus
What is a neutron?
What is the law conservation of energy?
A change that can be reversed.
What is a physical change?
Able to be changed int other shapes
What is being malleable?