Periodic Table

Who proposed the periodic table of elements?

• Rutherford

• Mendeleev

• Bohr

• Nature

What determines the characteristics of each element?

• Atomic radius

• Number of valence electrons

• Ionization energy

• Electronegativity

Which direction does the atomic radius increase on the periodic table?

• Upwards

• Downwards

• Leftwards

• Rightwards

What is the opposite of ionization energy?

• Atomic radius

• ionic radius

• Electronegativity

• Valence electrons

Which element has the highest electronegativity?

• Fluorine

• Helium

• Francium

• Oxygen