U3 - L2 - The Periodic Table of Elements

What represents the "staircase" that separates elements on the periodic table?

• metals

• nonmetals

• metalloids

• vegetables

Group 1 - Lithium, Potassium, and Sodium are known as....

• Noble Gases

• Alkali Metals

• Halogens

• Transitional Metals

Group 18 - Helium, Neon, Krypton, and Xenon are known as...

• Noble Gases
• Alkali Metals
• Halogens
• Transitional Metals

Which property is similar for all noble gases?

• reaction with aluminum foil
• reaction with water
• unreactive
• soft and dull

At room temperature, most elements are in the form of a ...

• solid
• liquid
• gas
• jello mold

The rows on the periodic table are more commonly called...

• Groups
• Periods
• Diagonals
• Blocks

Elements in the same period have ...

• similar physical & chemical properties

• same # of electron rings

• same # of valence electrons

• same # of protons in the nucleus

Which element is in the same period as Lithium (3)?

• Oxygen (8)
• Potassium (19)
• Gold (79)
• Magnesium (12)

Which element is in the same group as Silicon (14)?

• Magnesium (12)
• Sulfur (16)
• Tin (50)
• Bromine (35)

Which group of transparent elements will light up when electric current is passed through?

• Alkali Metals

• Noble Gases

• Halogens

• Transitional Metals

Tags

NGSS.HS-PS2-5