Chemical Elements: names to symbols (52Q)

Question 1

This lightest metal floats on water, skittering around releasing hydrogen.

Accepted Answer

Li

Question 2

More abundant than gold, this precious metal had been used in coins since antiquity.

Accepted Answer

Ag

Question 3

This inert gas gives off a characteristic bright red when ionized by a high current.

Accepted Answer

Ne

Question 4

Essential for living organisms, compounds of this metal are found in teeth and bones.

Accepted Answer

Ca

Question 5

This silvery-white metal is mined in Sudbury, Ontario and used in coins.

Accepted Answer

Ni

Question 6

Commonly used in galvanization, coating iron or steel to protect against corrosion.

Accepted Answer

Zn

Question 7

It's the most abundant metal in the Earth's crust, and found in over 270 different minerals.

Accepted Answer

Al

Question 8

A noble gas, it's inert and colourless until an electric current excites it to a sky-blue glow.

Accepted Answer

Ar

Question 9

A highly valued precious metal for coinage and jewelry since the beginning of recorded history.

Accepted Answer

Au

Question 10

With the highest melting point of all the elements, this metal is used in light bulb filaments.

Accepted Answer

W

Question 11

Used in battery production and pigments, its use is decreasing due to toxicity.

Accepted Answer

Cd

Question 12

This metal occurs in red, white and black forms. The red allotrope is found in matches.

Accepted Answer

P

Question 13

Liquid at room temperature, it evaporates rapidly into a choking purple-brown gas.

Accepted Answer

Br

Question 14

With compounds used in electronics, this metal will melt in your hand, liquifying at 30o C.

Accepted Answer

Ga

Question 15

Compounds of this soft silvery metal are added to fireworks to impart a green colour.

Accepted Answer

Ba

Question 16

Used in pigments, and in high-strength, high-temperature steel alloys.

Accepted Answer

Co

Question 17

This odorless, colorless gas, produced from elements in granite, is radioactive.

Accepted Answer

Rn

Question 18

Found in the common mineral borax, it is rarely seen in pure form.

Accepted Answer

B

Question 19

This soft silvery metal turns white in seconds, when exposed to air.

Accepted Answer

Na

Question 20

Used in light emitting diodes and semiconductors, just like silicon above it.

Accepted Answer

Ge

Question 21

Incredibly useful in industry for wiring, heat sinks, coins and in brass and bronze alloys.

Accepted Answer

Cu

Question 22

This silvery-white metal is used as a fuel in nuclear reactors, generating electric power.

Accepted Answer

U

Question 23

This inert gas glows a pale mauve colour when excited with a high voltage electric current.

Accepted Answer

Kr

Question 24

An expensive metal, so resistant to corrosion and oxidation that it's considered a noble metal.

Accepted Answer

Pt

Question 25

Used as a disinfectant, its crystals sublimate into a violet vapour when heated.

Accepted Answer

I

Question 26

Soft, malleable and heavy it has the highest atomic number of all the stable elements.

Accepted Answer

Pb

Question 27

This metal is strong and lightweight, but expensive and toxic.

Accepted Answer

Be

Question 28

This metal is very reactive with water, generating heat and igniting the produced hydrogen.

Accepted Answer

K

Question 29

This element is found as opaque black graphite as well as transparent diamond.

Accepted Answer

C

Question 30

A lustrous gray metalloid, its alloys are used in solders, bullets and plain bearings.

Accepted Answer

Sb

Question 31

This metal burns with a brilliant-white light, making it a useful ingredient in flares.

Accepted Answer

Mg

Question 32

Used in cosmetics and pharmaceuticals, it can form big beautiful crystals when pure.

Accepted Answer

Bi

Question 33

Used in thermometers, it's the only metal element liquid at room temperature.

Accepted Answer

Hg

Question 34

This inert gas, when excited by a high voltage discharge, glows a pale violet colour.

Accepted Answer

Xe

Question 35

This silvery-gray metal resembles iron and is a required trace mineral for living organisms.

Accepted Answer

Mn

Question 36

Widely used in self-luminous clock and watch hands, until discovered to be radioactive.

Accepted Answer

Ra

Question 37

It is grown into large single crystals, cut into wafers, then used to create computer chips.

Accepted Answer

Si

Question 38

This colourless gas makes up 21% of the atmosphere, and liquifies at -183 oC.

Accepted Answer

O

Question 39

This silvery-gold alkali metal melts at 28 oC and is extremely reactive and pyrophoric.

Accepted Answer

Cs

Question 40

This low toxicity metal is used in many alloys, such as bronze and pewter.

Accepted Answer

Sn

Question 41

A pale yellow-green gas, it's used as a disinfectant for drinking water and in swimming pools.

Accepted Answer

Cl

Question 42

This colourless gas makes up 75% of the visible universe.

Accepted Answer

H

Question 43

This lustrous metal can be combined with other metals to produce strong, lightweight alloys.

Accepted Answer

Ti

Question 44

By mass, the most common element on Earth, it has been used since ancient times.

Accepted Answer

Fe

Question 45

This metal resists corrosion, and can be added to steel to make stainless steel.

Accepted Answer

Cr

Question 46

This blue-gray metal is used in capacitors in high-tech electronic devices.

Accepted Answer

Ta

Question 47

Highly toxic, this metalloid was the poison of choice until detection became easy.

Accepted Answer

As

Question 48

This colourless gas makes up 78% of the atmosphere, and condenses to a liquid at -196 oC.

Accepted Answer

N

Question 49

This radioactive metal can provide power to spacecraft and artificial heart pacemakers.

Accepted Answer

Pu

Question 50

This pale yellow gas reacts violently with virtually everything, including glass.

Accepted Answer

F

Question 51

One of the few elements found pure in nature, it's also called brimstone.

Accepted Answer

S

Question 52

This colourless, inert gas glows pale peach when an electric current runs through it.

Accepted Answer

He

Chemical Elements: names to symbols (52Q)

Questions 52

Chemical Elements: names to symbols (52Q)

Questions 52