Classify the Components of the Periodic Table

The vertical columns on the periodic table that have common properties are called

• Groups

• Periods

• Shells

• Valences

The number of electron shells an atom has is equal to the element's:

• Period number

• Group number

• Valence number

• Atomic number

Tags

NGSS.HS-PS1-1

Which metal is found in period 3 and group 2?

• Boron

• Magnesium

• Aluminum

• Neon

Which noble gas has 18 protons?

• Helium

• Hydrogen

• Argon

• Calcium

Group 17 is known as the

• Halogens

• Noble Gases

• Alkaline Earth Metals

• Alkali Metals

Which metalloid has an atomic number of 32?

• Antimony

• Calcium

• Bromine

• Germanium

Which of the following is a halogen?

• Krypton
• Bromine
• Potassium
• Bismuth

The location of _____________ is group 15; period 3.

• N (Nitrogen)
• K (Potassium)
• P (Phosphorus)
• C (Carbon)

Why were there blank spaces left in Mendeleev's periodic table?                                              

• He didn't know what to put there.
•  Undiscovered elements not yet known.
• Multiple elements could have fit
• He forgot to add the elements in.

Which of the following will have a larger radius than Zinc?

• Gallium
• Aluminum
• Magnesium
• Strontium

Tags

NGSS.HS-PS1-1