The Periodic Table of Elements

the number of protons in the nucleus of one atom of an element

• net charge

• atomic number

• neutron

• atomic mass

Tags

NGSS.MS-PS1-1

elements that have properties of BOTH metals and nonmetals, sometimes referred to as semiconductors

• metals

• noble gases

• nonmetals

• metalloids

elements that are typically not shiny, not malleable, and POOR conductors of heat and electricity; usually gases or brittle solids

• nonmetals

• metals

• metalloids

• noble gases

Which period number is "Chlorine" located in?

Which group number is "Helium" located in?

Which group number is "Carbon" located in?

Which family number is "Iron" located in?

Which period number is "Manganese" located in?

What is the classification of the element "Arsenic"?

• Metal

• Metalloid

• Nonmetal

What is the classification of the element "Ruthenium"?

• Metal

• Metalloid

• Nonmetal