Periodic Table

The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers

The Modern Periodic Table of Elements is arranged by

• atomic mass
• atomic number
• valence electrons
• number of isotopes

The atomic number tells you what?  READ THE ANSWERS CAREFULLY

• only the number of electrons
•  only the number of protons
• only the number of neutrons
• the number of both electrons and protons in an atom.

The horizontal (side to side) rows in the Periodic Table are called

• groups

• families

• periods

• atomic numbers

What are valence electrons?

• Any of an atom's electrons

• Electrons located on the first energy level

• Electrons not attached to any atom

• electrons located on the outer energy level

What category is silicon (Si) a part of?

• Metal

• Nonmetal

• Metalloid

• Halogens

What period contains the element Plutonium (Pu)?

• 8

• 6

• 7

• Plutonium doesn't exist

Which one of these is not a noble gas?

• Helium
• Radon
• Iodine
• Krypton

Tags

NGSS.HS-PS1-1

What family is Sodium a part of?

• Transition Metals
• Halogens
• Alkali Metals
• Alkaline Earth Metals

What family is silver a part of?

• Transition Metals
• Noble Gases
• Alkali Metals
• Alkaline Earth Metals