Formative Quiz

How does the periodic table of elements arranged?

• by atomic mass

• by atomic number

• by alphabetical

• by particles

The outermost electrons are called?

• valence electrons

• valence protons

• valence neutrons

• nucleon

Who is the Father of The Periodic Table of Elements?

• John Newlands

• Henry Moseley

• Dmitri Mendeleev

• Yuri Oganessian

What group known as the stable gases?

• Boron Group

• Halogens Group

• Noble Gases

• Chalcogen Group

Dull in appearance, brittle Poor conductors of heat and electricity

• Metal

• Metalloid

• Gas

• Non-metal