7 Test 3: Periodic Table, Bonding, Lewis Dot Diagrams

What does the periodic table organize elements by?

• Alphabetical order

• Atomic number and properties

• Date of discovery

• Mass only

What is a period on the periodic table?

• A vertical column

• A horizontal row

• A group of gases

• A group of metals

Which of the following elements is an alkali metal?

• Helium

• Sodium

• Oxygen

• Neon

Where are the nonmetals located on the periodic table?

• Left side

• Center

• Right side

• Bottom

Which group contains the noble gases?

• Group 1

• Group 2

• Group 17

• Group 18

Which of the following elements is a metalloid?

• Sodium

• Silicon

• Argon

• Calcium

Elements in the same group have the same number of:

• Electron shells

• Protons

• Neutrons

• Electrons in their outer shell

What is the atomic number of an element?

• Number of neutrons

• Number of protons

• Number of electrons

• Number of electron shells

Oxygen - _____

• Oxygen -

• Oxygen - Carbon

• Oxygen - Hydrogen

• Oxygen - Nitrogen

Sodium - _____

• Chloride

• Bromide

• Iodide

• Fluoride