Light
Energy/light given off when an electron returns to its ground state is called:
emission
Which sublevel has the most energy - 3s, 4s, 3p, 3s
4s
As the atomic number goes up, the attraction of the nucleus increases and electrons are pulled in more tightly.
Coulomb's Law
An atom that has lost electrons to become stable?
cation
What element is represented:
1s2, 2s2, 2p6, 3s2, 3p6, 4s2,3d9
copper
What has the higher frequency: ultraviolet rays or ultraviolet light?
ultraviolet rays
Write the noble gas abbreviation for gold
[Xe]6s2,4f14,5d9
What law states that electrons must fill the lowest available energy levels first?
Aufbau principle
Draw a Lewis dot structure for Ca & write its electron configuration?
.Ca.
1s2 2s2 2p63s23p64s2
What is the relationship between frequency and energy?
matches
high frequency/high energy
low frequency/low energy
What has more energy green or blue light?
blue light
How many valence electrons with this element: 1s2 2s2 2p6 3s2 3p2
4
It is impossible to determine the position and velocity of an electron and other particle at the same time.
Heisenberg Uncertainty Priniciple
What is electronegativity?
A measure of the ability of an atom in a bond to attract electrons.
As atoms lose electrons have their atomic radius...
decrease/get smaller
List the electromagnetic spectrum in order from lowest frequency to highest frequency.
radio, micro, infrared, visible, ultraviolet, x-ray, gamma
How many energy levels are there in element 1s2 2s2 2p6 3s2 3p2?
3
What is Hund's rule?
1 electron must be placed up in each orbital before any orbital can have 2
What is the amount of energy needed to remove an electron from a neutral atom?
Ionization energy
Reactivity in metals ___________ as you move down and left on the periodic table.
increase
What is required for an electron to change levels?
energy absorption
How many electrons can each sublevel hold? s ? p ? d ? f ?
s-2, p-6, d-10, f-14
What rule states that electrons must spin in opposite directions in an orbital? (an up and a down arrow)
Pauli Exclusion Principle
What charge does an element that is an alkaline earth metal make? (What's it's oxidation number?)
+2
If 2 atoms have a ΔEN > 2, what type of bond do you predict?
Ionic