Trends of the Periodic Table

True or False: The reactivity of metals tends to decrease as you move from left to right across the periodic table.

• True

• False

The vertical (up and down) columns in the Periodic Table are called

• groups

• periods

• towers

• atomic numbers

Which group of the periodic table is composed of inert (not reactive) gases?

• alkali metals

• alkaline earth metals

• halogens

• noble gases

Elements in a ..................have similar chemical properties.

• period

• group

• row

What happens to the atomic numbers as you move from left to right on the periodic table?

• Increase

• Decrease

• Stay the same

• Nothing

Elements in the same column of the periodic table always have the same # of _______ as one another.

• Protons

• Neutrons

• Electrons

• Valence Electrons

Select the group that is the most reactive metals

• Transition Metals

• Alkali Earth Metals

• Alkali Metals

• Halogens

Elements in a ..................have similar chemical properties.  

• period

• group

• row

Which of the following statements is true about the periodic table?

• Elements in the same period have similar chemical properties.

• Elements in the same group have the same number of valence electrons.

• Elements in the same group have the same atomic number.

• Elements in the same period have the same number of valence electrons.

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DOK Level 1: Recall

The Modern Periodic Table of Elements is arranged by

• atomic mass

• atomic number

• valence electrons

• number of isotopes