Metals, Non-metals, Metalloids I
This metal is liquid at room temperature and is used in sparkless switches.[1]
Answer: What is mercury
The plastic that insulates headphone wires is mainly made of the elements carbon and this other element.[1]
Answer: What is hydrogen
The non-metal gas that makes up over 90 percent of the atoms in the universe is this element.[1]
Answer: What is hydrogen
This element, discovered in 1944, was named in honour of Marie Curie.[1]
Answer: What is curium
This metal is soft, durable, an excellent conductor of electricity, and often used to join contact points in electronics.[1]
Answer: What is gold
The gold on the tips of headphone wires improves this type of signal transmission.[1]
Answer: What is electrical (or electric signal) transmission
This non-metal gas is necessary for cellular respiration and makes up about 21 percent of Earth’s atmosphere.[1]
Answer: What is oxygen?
Most of the mass of the human body is made up of oxygen, carbon, hydrogen, nitrogen, and this element found in bones and teeth.[1]
Answer: What is calcium
This metal can be polished, moulded, and stretched, and is the best conductor of heat and electricity.[1]
Answer: What is silver
The magnets in headphones can contain iron, boron, and this rare-earth element.[1]
Answer: What is neodymium?
This pale yellow-green gas is added to pools and some water supplies to kill bacteria.[1]
Answer: What is chlorine
\In welding shops, mercury switches are useful because they turn circuits on and off without producing these.[1]
Answer: What are sparks
This shiny, metallic-looking element is brittle and used as a semiconductor in computer chips.[1]
Answer: What is silicon
This poisonous element, once widely used in plumbing, gave its Latin name “plumbum” to the word “plumber.”[1]
Answer: What is lead
This silvery-white metal is very strong and, mixed with carbon, forms steel for construction.[1]
Answer: What is iron
In the 1800s, a mineral called galena led to a silver rush in British Columbia; galena is an ore of lead and this precious metal.[1]
Answer: What is silver
This term refers to a material’s ability to let heat or electricity flow through it easily.[1]
Answer: What is conductivity
The element polonium was named after Marie Curie’s home country, which is this.[1]
Answer: What is Poland?
This family of metals is so reactive that its members, like sodium, react violently with water.[1]
Answer: What are alkali metals
Silicon helps form the hard external spines of these sea creatures.[1]
Answer: What are sea urchins