Periodic Trends Showdown

What does electronegativity mean?

• ability to increase energy levels

• ability to react with elements

• ability to attract electrons

In the alkali metals, which element has a larger atomic radius?

• lithium, Li

• sodium, Na

• potassium, K

• cesium, Cs

In the halogen family, which element is the most electronegative?

• iodine, I

• fluorine, F

• chlorine, Cl

• helium, He

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Looking at period 3, which element has the smallest atomic radius?

• Mg

• Cl

• Al

Tags

NGSS.HS-PS1-1

In group 2, which of these elements has the largest atomic radius?

• Ba

• Mg

• Ca

• La

Which of these halogens has the largest atomic radius?

• fluorine, F

• chlorine, Cl

• bromine, Br

• iodine, I

Tags

NGSS.HS-PS1-1

A periodic trend is a feature or pattern that occurs due to the arrangement of the elements on the periodic table. Which of the following is not a correct periodic trend?

• Elements located in the same group have the same number of valence electrons and tend to react in similar ways.

• Elements located within the same period have valence electrons located in the same energy level.

• Metals tend to be grouped together, and take up the majority of the periodic table.

• Non-Metals tend to be grouped together, and can be found primarily on the left side of the periodic table.

The periodic table is arranged by ______

• Atomic Mass

• Number of Electrons

• Atomic Number

• Atomic Weight

The period number of an element corresponds to...

• The number of electrons

• The number of valence electrons

• The number of energy levels

• The number of protons

The group number of an element corresponds to...

• The number of electrons

• The number of valence electrons

• The number of energy levels

• The number of protons