1.2 Periodic Table Quiz

The ________________________ is an arrangement of the elements showing the repeating pattern of their physical and chemical properties

• atomic number
• chemical symbol
• periodic table
• atomic mass

The Periodic Table was developed in 1869 by a man named ________________ who was a Russian chemist and inventor.

• James Chadwick
• Dmitri Mendeleev
• Thomas Rutherford
• John Dalton

The very first Periodic Table back in 1869 was organized and displayed by increasing ______________.

• atomic number
• atomic mass
• chemical symbols
• blocks of pretty colors

The original Periodic Table of 1869 had _______________ elements than the Periodic Table of today.

• many more
• the same amount of
• much less
• invisible

In the diagram, the element box for oxygen is shown, which includes several pieces of information. The number 8 on the top of the box is the ___________________, which is how the modern day Periodic Table is organized.

• atomic mass
• atomic number
• atomic symbol
• name of the element

Below the element box for nitrogen is shown, which includes several pieces of information. The letter N in the middle of the box is the ___________________.

• atomic mass
• atomic name
• atomic number
• chemical symbol

The diagram below shows the element box for helium, which includes several pieces of information. The number 4.003 at the bottom of the box is the ___________________.

• chemical symbol
• atomic number
• atomic mass
• atomic speed

The atomic mass of an element, such as 15.999 for oxygen, is shown as an average because most elements are made up of a mixture of _____________ .

• protons
• neutrons
• isotopes
• electrons

The Periodic Table is organized by horizontal rows and vertical columns. The rows on the Periodic Table are also knows as ____________, and the columns are also know as __________.

• groups, periods
• periods, groups
• groups, families
• none of the above

On the Periodic Table there is a zigzag line, or staircase, that mostly separates the ____________________.

• metals from the nonmetals
• solids from the liquids
• periods from the families
• chemical symbols from the chemical names