Classification of Elements Quiz

How did Moseley arrange the elements in his modification of Mendeleev's table?

• By atomic mass

• By atomic numbers

• By alphabetical order

• By color

What did Moseley add to Mendeleev's table that was not originally included?

• Transition metals

• Lanthanides

• Noble gases

• Halogens

What additional factor is considered in the arrangement of elements in the modern periodic table?

• The color of the element

• The way the energy levels of the electrons are filled

• The density of the element

• The boiling point of the element

What type of elements are found in the s-block of the periodic table?

• Transition elements

• Alkali and Alkaline Earth metals

• Halogens

• Noble gases

How many horizontal periods are there in the modern periodic table?

• 5

• 7

• 10

• 18

How many groups are there in the periodic table?

• 7

• 10

• 18

• 20

Which element is not classified as a noble gas?

• Argon (Ar)

• Krypton (Kr)

• Chlorine (Cl)

• Xenon (Xe)

Which of the following elements is a solid at room temperature?

• Bromine (Br)

• Mercury (Hg)

• Lithium (Li)

• Water (H2O)

How many groups do the s-block elements consist of?

• One group

• Two groups

• Three groups

• Four groups

What letter distinguishes the groups of s-block elements?

• B

• C

• A

• D