Periodic Table and Trends

On the upper left of the atomic symbol is the atomic ________

On the lower left of the atomic symbol is the atomic ________. (number of protons)

Write the standard atomic notation for germanium

Write the standard atomic notation for uranium

The current atomic model is known as the ________________

In the wave-mechanical model of the atom, electrons are always moving in 3-D space around the _________.

A Bohr diagram is a diagram that shows how many _________ are in each shell surrounding the nucleus.

What element's atom is this?

• F

• Ne

• Na

• Mg

How does an electron's position correspond to its energy?

• electrons nearest to the nucleus are said to have the highest energy.

• electrons farthest from the nucleus are said to have the most energy.

• Electrons in the 2s shell are easiest to remove.

• Electrons lose energy as they move from a shell in the second energy level to a shell in the third energy level.

The number of electrons that fill the first energy level (n=1) is

• 1

• 2

• 6

• 8