STAGE 3 Chemestry Quizz

Who is credited with the creation of the first widely accepted periodic table?

• John Dalton

• Niels Bohr

• Dmitri Mendeleev

• Antoine Lavoisier

What did Mendeleev use to organize the elements in his periodic table?

• Atomic number

• Mass number

• Atomic mass

• Electronic configuration

Which scientist discovered the concept of atomic number?

• Mendeleev

• Rutherford

• Moseley

• Thomson

What determines the order of the elements in the modern periodic table?

• Columns

• Diagonals

• Rows

• Circles

How are the periods organized in the periodic table?

• Masses

• Electron configurations

• Physical states

• Patterns of reactivity

What do elements in the same group share?

• Brittle

• Poor conductor of electricity

• Malleable

• Opaque appearance

Which of the following is a property of metals?

• Group 1

• Group 2

• Group 17

• Group 18

Which group is known as the noble gases?

• Transition elements

• Rare earth elements

• Semiconductors

• Halogens

What are metalloids also known as?

• Aluminum

• Sulfur

• Silicon

• Sodium

Which element is a metalloid?

• Two valence electrons

• Complete outer shell

• Same atomic mass

• One valence electron