Ch.6 Test Review

What is the primary factor that determines the order of elements in the modern Periodic Table?

• A) Atomic mass
• B) Atomic number
• C) Electron configuration
• D) Chemical reactivity

Which of the following trends is true across a period from left to right?

• A) Atomic radius increases
• B) Ionization energy decreases
• C) Electronegativity increases
• D) Metallic character increases

Which group in the Periodic Table contains the noble gases?

• A) Group 1
• B) Group 2
• C) Group 17
• D) Group 18

What is the trend for atomic radius as you move down a group?

• A) It increases
• B) It decreases
• C) It stays the same
• D) It fluctuates

Which element is known for having the highest electronegativity?

• A) Oxygen
• B) Chlorine
• C) Sodium
• D) Fluorine

Who is credited with creating the first widely recognized periodic table?

• a) Henry Moseley
• b) Lothar Meyer
• c) Dmitri Mendeleev
• d) Ernest Rutherford

Mendeleev arranged the elements in his periodic table based on:

• a) Atomic number
• b) Atomic mass
• c) Electronegativity
• d) Ionization energy

The modern periodic table is arranged by:

• a) Atomic mass
• b) Atomic number
• c) Electronegativity
• d) Number of neutrons

What are the horizontal rows in the periodic table called?

• a) Periods
• b) Groups
• c) Families
• d) Blocks

What are the vertical columns in the periodic table called?

• a) Periods
• b) Groups
• c) Families
• d) Blocks