General Chemistry ACS Final Exam (2024) All Correct.

Protons correct answers defines the element; positive charge; equal to the atomic number Neutrons correct answers equal to mass number-number of protons; neutral charge Electrons correct answers negative charge; dependent on the charge of the atom Cations correct answers Positively charged ions Anions correct answers Negatively charged ions Isotopes correct answers when the number of neutrons varies but it has the same number of protons ex) Ne-20 and Ne-22` What was believed until the beginning of the 20th century? correct answers That all physical phenomena were deterministic Light correct answers Form of electromagnetic radiation What is electromagnetic radiation composed of? correct answers perpendicular oscillating waves, one for the magnetic field and one for the electric field Speed of light constant correct answers 3.00*10^8 m/s or 3.00*10^17 nm/s Quantum number n correct answers size, n1 Quantum number l correct answers shape, l=0 to (n-1) Quantum number ml correct answers orientation, -l to +l s orbital correct answers l=0, 1 orbital p orbital correct answers l=1, 3 orbitals d orbital correct answers l=2, 5 orbitals f orbital correct answers l=3, 7 orbitals Electron configurations correct answers description of the orbitals occupied by electrons Valence electrons correct answers in the electron configuration they are the electrons associated with highest principle valence shell orbital Nonmetallic character trend correct answers increases from left to right and bottom to top