Periodic Trends Test

Which of the following has the smallest atomic radius?

• sodium (Na)

• magnesium (Mg)

• sulfur (S)

• chlorine (Cl)

Which of the following elements can form the most chemical bonds in a reaction? (Hint: look at their dot diagrams)

• carbon

• hydrogen

• oxygen

• argon

Which of the following has the most valence electrons?

• boron

• fluorine

• germanium

• selenium

The first periodic table was created by _______.

• Henry Moseley

• John Dalton

• Dmitri Mendeleev

• Antoine Laviosier

How did Mendeleev organize the elements in his periodic table?

• by increasing atomic number

• by increasing atomic mass

• alphabetically

• by decreasing atomic mass

Whose work led to the development of the periodic law?

• Henry Moseley

• Dmitri Mendeleev

• Ernest Rutherford

• Neils Bohr

Which of the following is NOT another name for the lanthanides and actinides?

• representative elements

• inner transition metals

• rare earth metals

Which of the following is an alkali metal?

• rubidium

• iron

• calcium

• uranium

The transition metal with the smallest atomic radius is ____.

• actinium

• scandium

• zinc

• gold

Which group is sometimes called the chalcogens?

• the carbon family

• the nitrogen family

• the transition metals

• the oxygen family