Periodic Table/Ions

In the modern periodic table elements are arranged by:

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

Calcium is most like which of the following?

• Barium
• Potassium
• Cesium
• Nitrogen

Tags

NGSS.HS-PS1-1

The alkali metals have how many valence electrons?

• 1
• 2
• 7
• 8

Tags

NGSS.HS-PS1-1

The noble gases have how many valence electrons?

• 1
• 2
• 7
• 8

Tags

NGSS.HS-PS1-1

Elements which are shiny, conduct electricity and heat are called

• metal
• nonmetal
• metalloid
• nonexistent

What does the 1.00794 stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

Tags

NGSS.HS-PS1-1

The atoms along the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases

Tags

NGSS.HS-PS1-1

Which of the following is not a property of metals?

• brittle
• malleable
• lustrous
• conductive

The atomic number tells you what?

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

If a material can easily be drawn into the shape of a wire, it is

• Ductile
• Magnetic
• Malleable
• Reactive