Grade 11 Chemistry Exam Questions & Answers (Grade A+).docx

Grade 11 Chemistry Exam Questions
& Answers (Grade A+)
Unit 1 - Matter & Chemical Bonding


Atom -
correct answer ✅Smallest particle of an element


Electron -
correct answer ✅Negatively charged particle


Proton -
correct answer ✅Positively charged particle


Neutron -
correct answer ✅Neutral particle


Energy Level/Electron Orbit -
correct answer ✅Area around an atom where electrons exist


Valence Shell -
correct answer ✅Outermost energy level/electron orbit

, Grade 11 Chemistry Exam Questions
& Answers (Grade A+)
Valence Electron -
correct answer ✅Electron in the outermost energy level/electron
orbit


Atomic Number -
correct answer ✅The number of protons in one atom of an
element


Mass Number -
correct answer ✅Sum of protons and neutrons in the nucleus


Full Octet/Stable Octet -
correct answer ✅Electron arrangement where the valence shell is
filled with 8 valence electrons


Ion -
correct answer ✅Charged particle formed when an atom loses or
gains electrons


Cation -
correct answer ✅Positively charged ion formed by a removal of
electrons