VOCAB
THE ATOM
ELEMENT IDENTIFICATION
SPELL IT OUT
RIDDLES
100
The scientific study of the composition, structure, properties, and reactions of matter.
CHEMISTRY
100
What is the smallest unit of an element that retains the properties of that element?
ATOM
100
What element, with an atomic number of 6 and an atomic mass of approximately 12.011, is the basis of organic chemistry and is found in all living organisms?
CARBON
100
Helium, Argon, Titanium
HEART
100
I'm a halogen, a disinfectant in pools, but also a poisonous gas in World War I. What am I?
Chlorine
200
The ability of a substance (solute) to dissolve in a solvent to form a homogeneous mixture (solution), typically expressed in grams of solute per 100 grams of solvent at a given temperature.
SOLUBILITY
200
What is the term for the total number of protons and neutrons in the nucleus of an atom?
ATOMIC MASS
200
What element, with an atomic number of 26 and an atomic mass of approximately 55.845, is a transition metal and is essential for the production of steel?
IRON
200
Potassium, Tungsten, Iodine
KIWI
200
I'm a reactive non-metal, used in fertilizers, found in explosives like TNT. What am I?
Nitrogen
300
a variant of an element that has the same number of protons (and therefore the same atomic number) as other atoms of the element, but a different number of neutrons in its nucleus
ISOTOPE
300
What is the name of the phenomenon where an electron transitions to a lower energy state within an atom, emitting a photon of light?
PHOTON EMISSION
300
What is the name of the element with an atomic number of 56 and an atomic mass of approximately 137.327, found in bones and teeth and used in nuclear reactors as a neutron absorber?
Barium
300
Iron, Sulfur, Titanium, Vanadium, Aluminum
FESTIVAL
300
I'm essential for life, found in every cell, without me, you couldn't breathe. What am I?
Oxygen
400
The temperature at which the vapor pressure of a liquid equals the atmospheric pressure, causing the liquid to change into a gas phase.
BOILING POINT
400
Who proposed the modern atomic theory in the early 19th century, which included the ideas of atoms being indivisible and atoms of different elements having different masses?
JOHN DALTON
400
Which element, with an atomic number of 3 and an atomic mass of approximately 6.941, is a light, silvery metal that is highly reactive and it is used as a psychiatric treatment for depression?
Lithium
400
Iodine, Radon, Oxygen, Nitrogen, Manganese
IRON MAN
400
I'm a metal used in dental fillings. What am I?
Hg
500
The process in which a substance transitions directly from the solid phase to the gas phase without passing through the liquid phase.
SUBLIMATION
500
Which subatomic particle is responsible for the majority of an atom's mass?
NEUTRONS
500
What element, with an atomic mass of approximately 65.38, is a transition metal used in galvanizing iron and making brass?
Zinc
500
Lutetium, Nitrogen, Carbon, Hydrogen, Boron, Oxygen
LUNCHBOX
500
I'm an alkaline earth metal, used in fireworks, I give a bright white light when burned. What am I?
Magnesium