2024/2025 Exam Questions with Detailed
Verified Answers (100% Correct
Answers) | Already Graded A+
Isotopes - 🧠ANSWER ✔✔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? - 🧠ANSWER ✔✔That
all physical phenomena were deterministic
Light - 🧠ANSWER ✔✔Form of electromagnetic radiation
What is electromagnetic radiation composed of? - 🧠ANSWER ✔✔perpendicular
oscillating waves, one for the magnetic field and one for the electric field
Quantum number n - 🧠ANSWER ✔✔size, n>1
Quantum number l - 🧠ANSWER ✔✔shape, l=0 to (n-1)
Quantum number ml - 🧠ANSWER ✔✔orientation, -l to +l
s orbital - 🧠ANSWER ✔✔l=0, 1 orbital
p orbital - 🧠ANSWER ✔✔l=1, 3 orbitals
d orbital - 🧠ANSWER ✔✔l=2, 5 orbitals
Page 1 of 7
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
, f orbital - 🧠ANSWER ✔✔l=3, 7 orbitals
Electron configurations - 🧠ANSWER ✔✔description of the orbitals occupied by
electrons
Valence electrons - 🧠ANSWER ✔✔in the electron configuration they are the
electrons associated with highest principle valence shell orbital
Nonmetallic character trend - 🧠ANSWER ✔✔increases from left to right and
bottom to top
Electron Affinity trend - 🧠ANSWER ✔✔get more negative from left to right and
bottom to top
Ionization Energy trend - 🧠ANSWER ✔✔increases from left to right and bottom
to top
Metallic Character trend - 🧠ANSWER ✔✔gets more metallic from right to left
and top to bottom
Atomic Radius trend - 🧠ANSWER ✔✔increases from top to bottom and right to
left
Naming molecular compounds - 🧠ANSWER ✔✔prefix+1st element+prefix+base
name of 2nd -ide
Page 2 of 7
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED