by BlastRoom
Practice identifying key periodic-table families and predicting their typical reactivity.
#chemistry

40 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.

The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
Use the shaded column in the periodic-table excerpt. Which chemical family is shown?

Which family is highlighted in the periodic-table excerpt?

Which family is highlighted in the periodic-table excerpt?

Which family is highlighted in the periodic-table excerpt?

Which family is highlighted in the periodic-table excerpt?

Which family name matches the highlighted column?

Use the shaded column. Which description best fits these elements, not counting hydrogen?

Which description best fits the elements in the highlighted column?

Use the shaded column. Which behavior is typical for these elements?

Which behavior is most typical of the shaded elements?

A tiny sample from the shaded column is placed in water. Which result is most likely?

When elements in the shaded column react with metals, what product type is common?

Lithium is stored under oil because it reacts with air and moisture. Which family contains lithium?
Magnesium burns with a bright white light. Which chemical family contains magnesium?
Chlorine is a greenish-yellow nonmetal used to make chloride salts. Which family contains chlorine?
Neon is used in glowing signs because it emits light in an electric discharge. Which family contains neon?
Potassium is a soft metal that reacts vigorously with water. Which family contains potassium?
Calcium commonly forms Ca2+ in compounds such as calcium chloride. Which family contains calcium?
Bromine is a reddish-brown nonmetal that forms bromide ions. Which family contains bromine?
Argon is used in light bulbs because it is much less reactive than air. Which family contains argon?
Sodium forms Na+ in table salt. Which chemical family contains sodium?
Barium is a metal that commonly forms Ba2+. Which family contains barium?
Fluorine is the most electronegative element. Which family contains fluorine?
Helium is used in balloons because it is a very light, unreactive gas. Which family contains helium?
An alkali metal atom reacts to form an ion. Which ion charge is most likely?
An alkaline earth metal reacts with a nonmetal. Which ion charge is most typical for the metal?
A halogen atom completes its valence shell during an ionic reaction. Which ion does it usually form?
A sample is identified as a noble gas. Which behavior is most typical at room conditions?
A small piece of sodium is added to water. Which observation fits its family?
Compared with alkali metals in the same period, which prediction fits an alkaline earth metal?
Chlorine, a halogen, reacts with sodium metal. Which product description is most likely?
Neon is a noble gas. Which electron arrangement explains its low reactivity?
A sample of an element from the alkali family is examined in the lab. Which property is expected?
An element is in the alkaline earth metal family. How many valence electrons does a neutral atom usually have?
A halogen reacts with a metal to form an ionic compound. How many valence electrons does a neutral halogen atom have before it reacts?
Argon is a noble gas. In which group of the periodic table is argon found?
Why are many alkali metals stored under oil in school demonstrations?
Barium is an alkaline earth metal, and chlorine forms Cl-. What formula is expected for barium chloride?
As elemental substances, which description best fits halogens such as chlorine and bromine?
A container holds pure neon gas. What particle description fits its family?
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.

Pick a tile, answer, hit bonuses and steals.
The Atomic Radius Trend
15 questions