Sodium
What does H stand for? (Spell it out!)
Hydrogen
What is the number of protons that an atom of an element has called?
The atomic number
What is the symbol for gold?
Au
What is the charge of a neutron?
Zero (or neutral)
In what part of an atom can protons be found?
The nucleus
How do protons, neutrons, and electrons compare for two isotopes?
Same number of protons, different number of neutrons, and the electrons don't matter
What do F and P stand for? (Spell them out!)
Fluorine and phosphorus
What is the full electron configuration for Se?
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p4
What is the full electron configuration for Cu?
1s2 2s2 2p6 3s2 3p6 4s1 3d10
What are the symbols for lead, silver, and tungsten respectively?
(Pb, Ag, and W)
What is the full electron configuration of polonium?
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p4
What is the noble gas configuration for gold?
[Xe] 6s1 4f14 5d10
How many unpaired electrons does Co have? (You must draw a correct orbital diagram to support your answer.)
3 unpaired electrons
When a firework produces color after exploding, atoms transition from what electronic state to what electronic state, and what do they absorb or release?
They are going from the excited state to the ground state, releasing light.
Provide the full electron configuration for a +4 cation of tin.
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d10
What fourth-row element has the most unpaired electrons in its neutral state, and how many unpaired electrons does it have? (You must draw a correct orbital diagram to support your answer.)
Chromium (Cr), with 6 unpaired electrons
What third-row element is diamagnetic both in its neutral form and as a +2 cation? (You must draw correct orbital diagrams to support your answer.)
Magnesium (Mg)
What second-row element is diamagnetic both as a +3 cation and a -3 anion? (You must draw correct orbital diagrams to support your answer.)
Nitrogen (N)
Provide the orbital diagram for the last subshell (e.g. 1s, 2p, 4f, etc.) of a 4+ ion of manganese.
(See the board for the correct answer.)
What fourth-row element has a +3 ion that has five unpaired electrons? (You must draw a correct orbital diagram to support your answer.)
Fe