Atoms
The typical charge of an atom is normally____
What are the energy levels of the orbitals?
S-2
P-6
D-10
f-14
A group moves ___ across the periodic table and the properties ____?
Horizontally; stays the same
What subatomic partial is responsible for chemical properties?
Electrons
A subscript stands for?
The number of electrons in the orbital
What is the most broad class in the periodic table?
Metals
How do you find the mass number of an atom?
What are the three rules that determine the electron configuration of atoms?
The Aufbau principal
The Pauli Exclusion Principle
Hund’s Rule
Which group is the most stable?
Nobel gasses
If the atomic number is 9 and the mass number is 19, how many neutrons does the atom have?
10
What element does the following electron configuration represen:
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6
Krypton
What is the last group in the periodic table?
Noble gasses
In a neutral atom, how many electrons should an atom with 28 protons have?
28
What rule/principle states that orbitals must be filled in a specific order, starting at the lowest energy, and moving to the higher energy orbital?
Aufbau principle
What information is not given to you in the periodic table?
Mass number