A medium-difficulty periodic table and atoms review covering structure, layout, families, trends, and ions for high school students. Built for Grades 8-10. 25 ready-to-play clues, no prep needed. This is a Grades 8–10 Science review game in a Jeopardy-style format: a teacher puts the board on one screen, teams pick clues by point value, and the class answers out loud — no student devices or accounts needed. Categories: Atomic Structure, Table Organization, Element Families, Periodic Trends, Ions & Isotopes.
- Grades 8–10 Science review
- Whole-class review on one shared screen
- Test or quiz prep
- Team-vs-team practice in class
A peek at what's on the board — 5 categories and one sample clue from each. Answers stay hidden until you open them, so the game still works.
Which subatomic particle has a positive charge?
Show answer
Proton
+4 more clues in this category
What are the horizontal rows on the periodic table called?
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Periods
+4 more clues in this category
Which Group 18 family is very unreactive gases?
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Noble gases
+4 more clues in this category
What is an atom’s attraction for bonding electrons called?
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Electronegativity
+4 more clues in this category
Atoms of the same element with different neutron counts are called what?
Show answer
Isotopes
+4 more clues in this category
Board content
Atomic Structure
- $100 — Which subatomic particle has a positive charge?
- Proton
- $200 — The center of an atom is called what?
- Nucleus
- $300 — What number equals the protons in an atom?
- Atomic number
- $400 — Electrons occupy regions called what around the nucleus?
- Energy levels
- $500 — How many electrons can the first energy level hold?
- Two
Table Organization
- $100 — What are the horizontal rows on the periodic table called?
- Periods
- $200 — What are the vertical columns on the periodic table called?
- Groups
- $300 — Most metals lie on which side of the stair-step line?
- Left side
- $400 — Elements in the same group share what in common?
- Number of valence electrons
- $500 — Which section includes groups 3-12?
- Transition metals
Element Families
- $100 — Which Group 18 family is very unreactive gases?
- Noble gases
- $200 — Which Group 1 family contains very reactive soft metals?
- Alkali metals
- $300 — Which Group 17 family readily forms salts with metals?
- Halogens
- $400 — Which Group 2 family forms +2 ions?
- Alkaline earth metals
- $500 — What is the f-block row starting with cerium called?
- Lanthanides
Periodic Trends
- $100 — What is an atom’s attraction for bonding electrons called?
- Electronegativity
- $200 — Across a period, ionization energy generally does what?
- Increases
- $300 — Down a group, atomic radius generally does what?
- Increases
- $400 — Which element is most electronegative on the table?
- Fluorine
- $500 — Where on the table are the most reactive metals located?
- Bottom left
Ions & Isotopes
- $100 — Atoms of the same element with different neutron counts are called what?
- Isotopes
- $200 — An atom that gains electrons forms what type of ion?
- Anion
- $300 — What stays the same for all isotopes of an element?
- Number of protons
- $400 — The net charge on an ion equals protons minus what?
- Electrons
- $500 — What charge does nitrogen usually form as an ion?
- 3-
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