Periodic Table

The atomic number tells you what?

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

Elements which are shiny, conduct electricity and heat are called

• metal
• nonmetal
• metalloid
• nonexistent

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NGSS.HS-PS1-1

Which is a halogen?

• Helium
• Chlorine
• Oxygen
• Neptune

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NGSS.HS-PS1-1

Which is an alkali metal?

• Magnesium
• Iron
• Sodium
• Europium

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NGSS.HS-PS1-1

If an atom had the same properties as fluorine (F), it would probably be located in

• period 1.
• period 2.
• group 2.
• group 17.

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NGSS.HS-PS1-1

Atoms with similar properties are most likely located...

• in the same period.
• in the same group.
• in different periods.
• to the right and left of each other.

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Group Name and Number for Neon

• Alkaline Earth Metals 2 or 2A
• Noble Gases 18 or 8A
• Halogens 17 or 7A
• Alkali Metals 1 or 1A

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NGSS.HS-PS1-1

A proton is....

• A negatively charged subatomic particle
• A positively charged subatomic particle
• A neutrally charged subatomic particle
• The only subatomic particle located in the nucleus

Which elements have the most similar chemical properties?

• K and Na
• K and Ca
• K and Cl
• K and S

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Who first developed the Periodic Table?

• Mendeleev
• Mosely
• Mendella
• Murphy