Electron Configuration
EC for Li
1s2,2s1
What is the symbol for the element with the atomic number 1?
What is an chemical reaction?
It a chemical reaction
Why don't electrons, which are negatively charged, simply fall into the positively charged nucleus, considering that atoms are mostly empty space?
Electrons don't "fall" into the nucleus because of the principles of quantum mechanics.
What is John-Ruther Marbellas name?
A very good girl
Condensed EC for Kr
[Kr]
What is the chemical symbol for gold?
(Answer: Au)
What is the chemical formula for carbon dioxide?
CO2
Which electrons are most likely to be involved in chemical reactions?
What class does John-Ruther Marbella teach?
Absolutely nothing
Condensed Ec for Y
[Kr] 5s2,4d1
What is the atomic number of oxygen?
(Answer: 8)
What is the difference between a chemical change and a physical change?
A physical change alters the appearance or state of a substance without changing its chemical composition, while a chemical change involves a rearrangement of atoms, creating a new substance with different properties, meaning the chemical identity of the substance changes
Do atoms ever actually touch each other?
No, atoms never truly "touch" each other in the traditional sense
Where does John-Ruther Marbella come from?
Your mom
Ec for In
1s2,2s2,2p6,3s2,3p6,4s2,3d10,4p6,5s2,4d10,5p1
What is the name of the radioactive element with the symbol "U" and its significance in nuclear power?
(Answer: Uranium)
What is the main reactant in photosynthesis?
carbon dioxide (CO2) and water (H2O)
Which electrons are most likely to be involved in chemical reactions?
Who is John-Ruther Marbellas bestfriend?
He got no friends.
Long and Condensed EC for La
1s2,2s2,2p6,3s2,3p6,3d10,4s2,4p6,4d10,5s2,5p6,5d1,6s2.
[Xe] 5d1,6s2
Which group of elements are known for their poor conductivity and tendency to form covalent bonds?
(Answer: Non-metals)
How can you test for the presence of oxygen gas?
glowing splint test
What are the main components of and Atom?
protons, neutrons, and electrons
Is John-Ruther Marbella a female or male?
Hes a good girl