THE PERIODIC TABLE OF ELEMENTS

Who proposed the Law of Octaves?

• Lavoisier

• Newlands

• Doberiener

• Mendeleev

The vertical columns in the periodic table are known as

• Groups

• transition metals

• lanthanides

• Periods

Who proposed the Law of Triads? (Type ONLY the surname)

Which of these groups is known as the Halogens?

• Group 1A

• Group 2A

• Group 7A

• Group 8A

What do you call the atoms that donates their valence electrons to make other atoms stable during chemical bonding?

The following are metalloids EXCEPT for _________.

• Antimony

• Boron

• Germanium

• Tin

Which group in the periodic table is composed of elements that do not react with other elements?

• Halogens

• Noble gases

• Alkaline Earth Metals

• Actinides

Which of these elements is an alkali metal?

• Beryllium

• Iron

• Lithium

• Magnesium

The following are characteristics of elements in the Actinides group EXCEPT ___________.

• they are radioactive

• they belong to the f-block

• they are inner-transition metals

• they have high electronegativity

Which element has the highest electronegativity value?