Periodic Table

How did Mendeleev arrange the elements?

• alphabetical 
• density
• melting point
• atomic mass

The horizontal row on the periodic table is called a

• group
• family
• period
• atomic number

Dimitri found that there was a pattern of properties that repeated every ____ elements.

• 2
• 4
• 5
• 7

A vertical column is called...

• group
• tower
• period
• crew

Tags

NGSS.HS-PS1-1

Which of the following is the most metallic element in period 3?

• Boron (B)
• Sodium (Na)
• Argon (Ar)
• Silicon (Si)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of these element is the least metallic?

• Potassium (K)
• Carbon (C)
• Sulfur (S)
• Neon (Ne)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The big number for each atom is the ...

• atomic number

• atomic mass

• chemical symbol

• element name

Tags

NGSS.MS-PS1-1

The small number is the ...

• atomic number

• atomic mass

• Chemical Symbol

• Element Name

Tags

NGSS.MS-PS1-1

What is the chemical symbol for Lithium?

• H
• He
• Li
• N

The months of the year are __________ because they repeat in the same order every 12 months.

• periodic
• group
• period
• halogens

Tags

NGSS.MS-ESS1-1