Periodic Table

What types of elements are located to the left of the zig-zag line?

• Metals
• Nonmetals
• Metalloids

The vertical columns of elements with similar chemical properties are called?

• periods 
• groups
• rows
• elements

The electrons in the outermost shell are called what?

• element electrons
• happy electrons
• valence electrons

What is the mass of this atom?

• 8
• 6
• 5
• 7

A ___________ is an arrangement of elements in columns

• columns
• rows
• periodic table
• electron shell

In the modern periodic table elements are arranged by:

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

The atomic number tells you what?

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

Which group of the periodic table is composed of inert (not reactive)  gases?

• alkali metals
• alkaline earth metals
• halogens
• noble gases

Elements which are shiny, conduct electricity and heat are called

• metal
• nonmetal
• metalloid
• nonexistent

Tags

NGSS.HS-PS1-1

Which element is not a metal?

• H
• Re
• Al
• Li