Notes on Periodic Table

Periodic Table Notes 1

It is periodic in nature - general physical and chemical properties of the elements repeat periodically.

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Multiple Choice

In the ground state, all atoms of Group 15 elements have the same number of

• electron shells

• valence electrons

• neutrons

• protons

Multiple Choice

Elements in Period 3 have...

• the same atomic number

• the same number of levels occupied by electrons

• the same favorite food

• the same atomic mass

Multiple Select

Check which options are classified as metals (there are more than one!)

• Calcium

• Argon

• Aluminum

• Silicon

Multiple Choice

Which of the following is NOT diatomic?

• hydrogen

• carbon

• oxygen

• fluorine

Multiple Choice

carbon and graphite are allotropes because...

• they are both found in tropical climates

• they are composed of the same element, but arranged differently to result in similar properties

• they are composed of the same element, but arranged differently to result in different properties

Multiple Choice

Which element has the highest electronegativity?

• Francium

• Fluorine

• Lithium

• Oxygen

Multiple Choice

One more question- how is the modern (current) periodic table arranged?

• atomic number

• atomic mass

• electronegativity

• valence electrons

In the next set of notes, we will look at the groups/families of the periodic table.