Science-8th Grade Periodic Table Review

How many elements are in the periodic table?

• 210

• 118

• 98

• 156

What is the atomic mass of hydrogen?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

The rows found in the periodic table are referred to as

• molecules

• grids

• periods

• groups

What are the 4 common elements?

• Lead, mercury, copper and arsenic

• Earth, air, water and fire

• Elements 113, 115, 117 and 118

• Helium, hydrogen, lithium and beryllium

Tags

NGSS.MS-PS1-1

The atom of what element is in Period 4, Group 13?

• Na

• Ga

• Al

• K

Tags

NGSS.MS-PS1-1

The central part of an atom is called the

• Electron

• Neutron

• Proton

• Nucleus

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NGSS.MS-PS1-1

What do the elements on the far right of the table (He, Ne, Ar, and Kr) have in common?

• They are very reactive gases

• They are liquid in normal conditions

• They are liquid in normal conditions

• Mrs. Gigi has no idea..

Is polonium dangerous?

• no

• never heard of it

• yes

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NGSS.HS-PS1-8

Who discovered Iodine?

• Marie Curie

• Francis Crick

• Bernard Courtois

• Rosalind Francis

Which element is more reactive, Potassium or Krypton?

• Potassium

• Krypton

• Both are the same

• Neither, this is a trick question

Tags

NGSS.MS-PS1-2