Unit 3 Atomic Structure

Protons, Neutrons, Electrons

100

The part of the atom that has a negative charge.

Electrons

200

The part of the atom that has no charge.

Neutrons

300

The mass number of an atom are made up of two particles. Protons, Neutrons, or electrons.

Protons and Neutrons

400

The atomic number is the exact same two of these particles. Protons, Neutrons, Electrons.

Protons and Electrons

500

The mass number of Niobium is 92 and the atomic number is 41. This information can be used to find out that there are ___ neutrons in the nucleus.

51

Isotopes

100

The isotope is made up of the element name and _______.

Mass number

200

The isotope of a atom of carbon with a mass number of 13 is ________ - ___

Carbon - 13 or C - 13

300

The isotope of ²¹₂₀Ne is called _________

Neon - 21

400

Average mass is found by _______ multiplied by __________ of each version of the element

Isotope x abundance

500

The average atomic mass of Hydrogen with the given values is ________

Hydrogen 1 - 1.007, 99.99% abundance 

Hydrogen 2 - 2.014,  0.01% abundance

1.008 amu

Electron Configuration

100

Hydrogen is located in the __ - oribtal of the periodic table.

S

200

The element of Fe is located at _d^_

3d⁶

300

The electron configuration of Oxygen is _________.

1s² 2s² 2p⁴

400

When using the shortcut method we look too _________ group on the periodic table to easily state "all electrons prior to this element are in filled orbitals."

Noble gases

500

Using the shortcut method, the electron configuration of Caesium is _____.

[Xe] 6s¹

Electrons and Energy

100

There are __ number of energy levels.

7

200

the outer most electrons known as valence can only have a max of __ electrons.

8

300

The Aufbau principle states that you must fill the ______ energy level first.

lowest

400

Hund's rule states that you must fill each ______ with a single electron before going back to start pairing.

Orbital

500

Pauli Exclusion Principle requires that the electrons have ___________

Opposite Spin

Periodic Table (Category to help with Friday's Quiz)

100

The elements Beryllium, Magnesisum, and Calcium make up the ________________ group of the periodic table.

Alkaline Earth Metals

200

Oxygen, Carbon, and Nitrogen are part of the ___________ group periodic table.

reactive nonmetals

300

Noble Gases are named as such because they don't like to ________

react

400

Lanthanoids and actinoids are unique in that while they have unique names but they are also part of the __________ group.

transition metals

500

Electronegativity (attraction to electrons) trend is: __________ across the period and _______ down the group.

Increase; decrease