Periodic Table

Columns on the Periodic Table are ______.

• periods

• groups

Rows on a Periodic Table are _____.

• periods

• groups

Metals are...

• gases or brittle solids; poor conductors of heat & electricity

• shiny, conduct heat & electricity

• all extremely reactive

Nonmetals are...

• gases or brittle solids; poor conductors of heat & electricity

• shiny, conduct heat & electricity

• all extremely reactive

Which can NOT be determined from atomic number?

• the specific element

• the element's mass

• the number of protons

• the number of electrons

Atomic mass =

• electrons

• protons + electrons

• protons + neutrons

• protons

Which group of the periodic table is composed of stable, unreactive gases?

• alkali metals

• alkaline earth metals

• halogens

• noble gases

Which color indicates metals on the Periodic Table?

• blue

• red

• yellow

Which element is a nonmetal?

• Li

• Ca

• Al

• N

Which is a halogen?

• Helium
• Chlorine
• Oxygen
• Neptune

Tags

NGSS.HS-PS1-1