Unit 1 Atoms & the PTOE

What element is shown in the diagram of the neutral atom??

• Hydrogen

• Nitrogen

• Oxygen

• not possible to tell

What PERIOD would this element be located in?

• 2

• 5

• 8

• 15

What GROUP would this element be located in?

• 2

• 5

• 8

• 15

What is the sub atomic particle labeled "A"

• electron

• neutron

• nucleus

• proton

What is the sub atomic particle labeled "B"

• electron

• neutron

• nucleus

• proton

What is the sub atomic particle labeled "C"

• electron

• neutron

• nucleus

• proton

What is the group of protons & neutrons (the center of an atom) called?

• electron

• neutron

• nucleus

• proton

What do you call the HORIZONTAL ROW on the periodic table?

• Group or family

• Period

• Valence Shell

• Valence electron

What do you call the VERTICAL COLUMN on the periodic table?

• Group or family

• Period

• Valence Shell

• Valence electron

What do you call the energy level (shell or orbital) that is the OUTSIDE orbital?

• Group or family

• Period

• Valence Shell

• Valence electron