Flame Test Lab
Electrons must _______ energy to move away from the nucleus (excited state), then _______ energy in the form of ______ as they move back to their ground state.
Absorb, Release/Emit, Light
Write the full electron configuration for potassium.
1s22s22p63s23p64s1
Who invented the first periodic table?
Dimitri Mendeleev
What trend describes the size of an atom?
Atomic Radius
What state is an atom in when an electron has jumped to an outside energy level?
Excited
What color of light corresponds to the highest energy?
Violet
Write the abbreviated configuration for chlorine.
[Ne] 3s23p5
How did Mendeleev organize his periodic table?
Atomic Mass / Weight / Properties
What trend describes the amount of energy needed to remove an electron from an atom?
Ionization Energy
What rule/principle states that we fill in electrons from the lowest to highest energy level?
Aufbau Principle
What color of light corresponds to the longest wavelength?
Red
1s22s22p63s1 - What is the element?
Sodium
How is the current periodic table organized?
Atomic Number
What trend is a measure of the ability of an atom's nucleas to attract electrons from a different atom?
Electronegativity
The D-Block is always ____ number(s) behind the period number on the periodic table.
One
What color of light would be produced from an electron moving from the 3rd to the 2nd energy level?
Red
[Rn] 7s25f146d4 - What is the element?
Seaborgium
What are the four blocks of ther periodic table?
S, P, D, F
What happens to atomic radius as you go down a group?
What do we call group 18 on the periodic table?
Noble Gases
Why does an atom need to be exposed to heat in order to produce a color of light?
Excite the electron
Which rule/principle states that each orbital should get one electron before doubling up?
Hund's Rule
What was the genius aspect of Mendeleev's periodic table?
He left gaps for unkown elements.
What happens to ionization energy & electronegativity as you move left to right across a period?
Place the following elements in order from largest to smallest atomic radius: F, Li, K, Na
K, Na, Li, F