Periodic Table of the Elements

good conductors of heat and electric current: can bend without breaking

• Metal

• Styrofoam

• Glass

• Plastic

poor conductors of heat and electric current: break easily

• Nonmetals

• Copper

• Aluminum

• Iron

the chart scientists use to organize and classify all the known elements

• Periodic Table of Elements

• Alphabetical Chart of Elements

• Geometric Chart of Elements

• Numerical Chart of Elements

describes something that occurs or repeats at regular intervals

• Periodic

• Unregulated

• Sporadic

• Intermittent

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-4

an element that has both metallic and nonmetallic properties

• Metalloids

• Carbon

• Oxygen

• Hydrogen

the number of protons in the nucleus of an atom

• Atomic Number

• Protonic Number

• Nucleic Number

• Periodic Number

the average weight of an element

• Atomic Weight

• Elemental Weight

• immeasurable

• Periodic Weight

one or two letters that represent an element

• Chemical Symbol

• Elemental Symbol

• Alphebetical Symbol

• Numeric Symbol

a column of elements in a periodic table

• Group

• Carbon Atom

• Hydrogen Molecule

• Proton Particle

Period

• A horizontal row of elements in the periodic table

• A vertical column of elements in the periodic table

• A diagonal line of elements in the periodic table

• A circular grouping of elements in the periodic table