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Elements 21-30
100

The chemical symbol for this element comes from the Latin word Ferrum.

What is Iron (Fe)

100

These are the only two planets in our solar system without moons... A: Mercury & Venus, B: Venus & Mars, C: Uranus & Neptune, D: Neptune & Pluto

What is A: Mercury & Venus. As far as we know, Saturn has the most moons. Saturn has at least 25 satellites that measure at least 6 miles (10 kilometers) in diameter, and several smaller satellites. The largest of Saturn's satellites, Titan, has a diameter of about 3,200 miles (5,150 kilometers) -- larger than the planets Mercury and Pluto.

100

These two elements make up water molecules

What is Hydrogen and Oxygen

100

This element is often found around volcanoes and smells like rotten eggs

What is Sulfur (S)

100

This element is used in the construction of the iPhone 15

What is Titanium?

200

This element's chemical symbol comes from the Latin word cuprum

What is copper (Cu)

200

This year boasted the first woman in space... A: 1963, B: 1968, C: 1973, D: 1983

What is A. 1963. The first woman in space was Valentina Vladimirovna Tereshkova in Vostok 6 (U.S.S.R.).

200

This is the type of gas humans breathe out

What is carbon dioxide?

200

This type of water weighs the most... A: seawater B: distilled water C: tap water D: none - They all have the same weight.

What is A: sea water. It is loaded with mineral salts and weighs about a pound and a half more per cubic foot than fresh water at the same temperature.

200

Co is the chemical symbol for this element

What is Cobalt

300

This element's chemical symbol comes from the Latin word kalium

What is Potassium (K)

300

This planet is named for the Roman goddess of Love.

What is Venus?

300

This element has a chemical symbol of V

What is Vanadium

300
This is the hardest naturally occurring substance... A: emerald B: tourmaline C: diamond D: corrundum
What is C: Diamond. Diamond is also one of the most valuable natural substances. Diamonds are crystals formed almost entirely of carbon. Because of its hardness, the diamond is the most enduring of all gemstones. They are among the most costly jewels in the world, partly because they are rare, Only four important diamond fields have been found - in Africa, South America, India, and the Soviet Union.
300

These three elements make up the word clone

What is Chlorine (Cl) Oxygen (O) Neon (Ne)

400

This element's chemical symbol comes from the Latin word, Natrium

What is Sodium (Na)

400

This planet rotates on its side.

What is Uranus

400

These two elements are a poisonous green gas and a rock that explodes when exposed to water, but when we combine them we get something that we sprinkle on food to add flavor

What are Chlorine and Sodium

400
The largest hailstone recorded was closest to this object in diameter... A: basketball B: softball C: tennis ball D: golf ball
What is A: basketball. The largest hailstone ever recorded was 17.5 inches in diameter - bigger than a basketball.
400

Which 4 elements form the famous footwear crocs

What are Chromium (Cr) Oxygen (O) Carbon (C) Sulfur (S)

500

This city was home to the first people who spoke Latin.

What is Rome, Italy

500

This planet is known as Earth's sister planet

What is Venus

500

This element is used to make microchips in computers

What is Silicon (Si)

500
The first Earth Day was celebrated in this year... A: 1950 B: 1960 C: 1970 D: 1980
What is C: 1970. The first Earth Day was celebrated on April 22, 1970, and has been celebrated each year following on April 22nd. The original purpose of Earth Day was to inspire people to think and act more environmentally. Earth Day falls on or around the birthdays of several environmental spokespersons.
500

These four elements make up the word bones

Boron (B) Oxygen (O) Neon (Ne) Sulfur (S)