Intro to Periodic Table

Which of these is a metalloid?

• Na (#11)

• As (#33)

• O (#8)

Most metals share three common physical characteristics. Which of the options is not one of the three?

• shiny luster

• good conductor of electricity

• brittle

• Malleable

The periodic table is mostly made up of what type of element?

• Metals

• Nonmetals

• Metalloids

What is the most reactive nonmetal?

• F

• I

• Cl

• Br

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which family of elements does not react with other elements.

• Noble gases

• Halogens

• Metalloids

• Alkali metals

Which one of these is not a noble gas?

• He

• Rn

• I

• Kr

What family is Sodium (Na) a part of?

• noble gases

• Halogens

• Alkali Metals

This class of elements are sometimes called "semiconductors."

• Metals

• Nonmetals

• Metalloids

Which of these groups of elements could have a shiny appearance?

• Metal

• Nonmetal

• metalloids

• Both metals and metalloids

Which of these is a property of metals?

• They're malleable

• They can't conduct electricity

• They are used in food

• They're very brittle