Unit 3 Quizizz 3: Periodic Table & 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 of the following will have a larger radius than Zinc?

• Gallium

• Aluminum

• Magnesium

• Strontium

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

Which of these elements has the greatest atomic radius? 

• H

• N

• Cl

• Cs

Which is an alkali metal?

• H

• Na

• Ti

• S