Periodic Table Trends

In which group would an element that is very reactive most likely be located?

• 1

• 5

• 15

• 18

In which group would an element that is a gas most likely be located?

• 1

• 3

• 12

• 18

Which of the following elements is most likely a metal?

• W

• X

• Y

• Z

Which of the following elements is most likely a poor conductor of electricity?

• Beryllium (Be)

• Gold (Au)

• Phosphorus (P)

• Copper (Cu)

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.

Which element will have the smallest ionization energy?

• Ne

• Li

• Cs

• Rn

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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 term valence electron refers to…

• The total number of electrons in an atom

• The electrons in the first energy level

• The electrons in the outermost energy level

• Electrons that are found in the nucleus

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

Elements in Group 6 of the periodic table would have how many valence electrons?

• 2

• 6

• 8

• Unable to tell from the given information