Periodic Table, Bohr Models, Trends, Flame Test

Front

What are the horizontal rows on the Periodic Table called?

Back

Periods

Front

Describe the waves with long wavelength and low energy.

Back

These waves have a longer distance between peaks and carry less energy.

Front

How many electrons can the second and third energy levels hold?

Back

8

Front

What are the vertical columns in the Periodic Table called?

Back

Groups

Front

Which color on the periodic table corresponds with the alkaline earth metals?

Back

Teal

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the significance of the group number in the Periodic Table?

Back

It indicates the number of valence electrons in the elements of that group.

Front

What is a Bohr model?

Back

A diagram that represents the arrangement of electrons in an atom, showing energy levels.

Front

What is the trend in atomic radius across a period?

Back

Atomic radius decreases from left to right across a period.

Front

What is the trend in electronegativity down a group?

Back

Electronegativity decreases as you move down a group.