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Lithium Trivia Quiz Questions and Answers

Science trivia quiz questions and answers about the element lithium.

 

Lithium the Element Trivia Quiz Questions and Answers

What is lithium?
A: Lithium is a chemical element with symbol Li and atomic number 3.

What is the atomic number of lithium?
A: 3.

What is the standard atomic weight of lithium?
A: 6.94

What is the melting point for lithium?
A: 453.65 K ​(180.50 °C, ​356.90 °F)

What is lithium's Boiling point?
A: 1603 K ​(1330 °C, ​2426 °F)

It is a soft, silver-white metal belonging to what group of chemical elements.?
A: The alkali metal group.

Under standard conditions it is the lightest metal and the least dense solid what?
A: Element. L

 

Lithium is highly reactive and what?
A: Flammable.

Lithium is typically stored in what?
A: Mineral oil.

When cut open, it exhibits a metallic luster, but contact with moist air does what?
A: Corrodes the surface quickly to a dull silvery gray, then black tarnish.

Because of its high reactivity, lithium never occurs freely in what?
A: Nature, and instead, only appears in compounds, which are usually ionic.

Lithium occurs in a number of what?
A: Pegmatitic minerals.

Due to lithium's solubility as an ion, it is present in ocean water and is commonly obtained from what?
A: Brines and clays.

On a commercial scale, lithium is isolated electrolytically from a mixture of what?
A: Lithium chloride and potassium chloride.

 

Lithium is a good conductor of heat and what?
A: Electricity.

Lithium metal is soft enough to be cut with a what?
A: A knife.

Lithium has one of the lowest melting points among all what?
A: Metals (180 °C).

Lithium has the highest melting and boiling points of the what?
A: Alkali metals.

Lithium has a very low density of 0.534 g/cm3, comparable with that of what?
A: Pine wood.

It is the least dense of all elements that are what?
A: Solids at room temperature.

Lithium can float on the lightest what?
A: Hydrocarbon oils.

 

It is one of only three metals that can float on what?
A: Water, the other two being sodium and potassium.

Lithium's coefficient of thermal expansion is twice that of  what?
A: Aluminum and almost four times that of iron.

Lithium has the highest specific heat capacity of any what?
A: Solid element.

Lithium has a specific heat capacity of 3.58 kilojoules per kilogram-Kelvin, the highest of what?
A: All solids.

Lithium metal is often used in what?
A: Coolants for heat transfer applications.

Lithium reacts with water easily, but with noticeably less what?
A: Energy than other alkali metals do.

The reaction forms hydrogen gas and what in aqueous solution?
A: Lithium hydroxide.

 

When placed over a flame, lithium compounds give off what?
A: A striking crimson color.

When lithium burns strongly the flame becomes what?
A: A brilliant silver.

Lithium will ignite and burn in oxygen when exposed to what?
A: Water or water vapors.

Lithium fires are difficult to extinguish, requiring what?
A: Dry powder fire extinguishers (Class D type).

 Lithium is the only metal which reacts with what, under normal conditions?
A: Nitrogen.

Lithium is about as common as "what" in the Earth's upper continental crust, on a per-atom basis?
A: Chlorine.

Lithium is the 25th most abundant what?
A: Element.

Nearly all vertebrate tissue and body fluids have been found to contain lithium ranging from 21 to 763 ppb.

Marine organisms tend to bioaccumulate lithium more than what?
A: Terrestrial ones.