Fall Semester Exam 2024-2025 Review
Flashcard
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the chemical formula for Tetrasulfur pentoxide?
Back
S₄O₅
2.
FLASHCARD QUESTION
Front
Which element requires the LEAST amount of energy to remove the most loosely held electron from a gaseous atom in the ground state?
Back
Lithium
3.
FLASHCARD QUESTION
Front
What is a grouping of elements based on similar properties, arranged by columns in the periodic table?
Back
Family
4.
FLASHCARD QUESTION
Front
As you move across the periodic table, why do atoms tend to get smaller?
Back
Because the atoms have more protons.
5.
FLASHCARD QUESTION
Front
What is the correct order of waves on the electromagnetic spectrum (EMS)?
Back
Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
6.
FLASHCARD QUESTION
Front
What is the definition of an element?
Back
A pure substance that cannot be broken down into simpler substances by chemical means.
7.
FLASHCARD QUESTION
Front
What is the atomic number of an element?
Back
The number of protons in the nucleus of an atom.
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