periodic table

Atomic radius INCREASES when you go ________ a group

Atomic radius DECREASES when

• when you go across a row from right to left

• when you go down a group

• when you go across a row from left to right

• when you go across a group from left to right

Tags

NGSS.HS-PS1-1

Put in order from biggest to smallest (decreasing size)

• Bromine

• Zinc

• Krypton

• Iron

• Calcium

What metal is most reactive

• lithium

• sodium

• potassium

• rubidium

What non-metal is the most reactive

• iodine

• sulfur

• oxygen

• fluorine

Tags

NGSS.HS-PS1-2

The Modern Periodic Table of Elements is arranged by

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

a row on the Periodic Table of Elements

• family

• period

• row

• isotope

Which color on the image of the periodic table corresponds with the metalloids.

• bright yellow

• gold

• teal

• light blue

The periodic table is mostly comprised of what type of element?

• Metals

• Nonmetals

• Metalloids

Which elements are colored red?

• nonmetals

• metals

• metalloids