Honors Unit 3_Periodic Table and Trends_2022

The horizontal row on the periodic table is called a

• group
• family
• period
• atomic number

Pure forms of these elements are stored in oil so they won't react with oxygen and water in the air.

• Alkali Metals
• Alkaline-earth metals
• Halogens
• Noble Gases

Most of the elements on the periodic table are classified as _____.

• Metals
• Nonmetals
• Metalloids
• Periods

In the modern periodic table elements are arranged by:

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

Beryllium is in group number______.

• Group 2
• Group 3
• Group 4
• Group 7

Which elements have the most similar chemical properties?

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

Tags

NGSS.HS-PS1-2

Which has the greater EN: 
Cl or Al?

• Cl
• Al

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

• Gallium
• Aluminum
• Magnesium
• Strontium

Tags

NGSS.HS-PS1-1

Which atom has the largest atomic radius?

• potassium
• rubidium 
• francium
• cesium

As you move down the periodic table atoms get bigger.  This is because ____________.

• The atoms have more mass.
• The atoms have more protons.
• The atoms have more energy levels
• The atoms have more nuetrons