Chemistry Crossword Puzzles

_ and leucippus, suggested that matter was not infinitely divisible into smaller particles, atoms are made up of three particles: _ , neutrons and …

f (8), fe (4), na (6), ca (7), as (7), at (5), c (6), ne (4), pb (4), n (8), o (6), he (6), p (10), h (8), zn(4), be (9), k (9), hg (7), ni (6), ag …

a neutral group of atoms joined together by a covalent bond, positively charged particle in the nucleus, the number of neutrons in iodine, the amount …

energy stored in bonds of chemicals, and might be released in reactions, e.g. food and batteries, wasted energy, spread out, good at preventing waste, …

alkalis are often found in what household products, the what scale tells us how dangerous acids and alkalis are, the main hazard symbol found on …

will not break or snap when a large force acts on it, can be stretched into a wire, a lattice has particles arranged in _ , an atom after it has lost …

a gain of electrons (or decrease in oxidation number), the electrode where reduction occurs, a number representing the charge an atom would have if …

when atoms combine they form a chemical _ , iron can be separated from a mixture using a _ , an element is any substance that cannot be _ down into …

containing carbon atoms joined together in a ring that is not aromatic, an organic compound containing a benzene ring, movement of pair of electrons, …

contains functional group -oh, prepared using alcohol and carboxylic acids, making alcohol using renewable resources, reaction with oxygen and form …

acyl chlorides react with this molecule to make amides, this is the name of the acid that forms as a biproduct of all reactions of acyl chloride, this …

a graduated glass tube used to deliver precise volumes of liquid, especially in titrations, a type of laboratory flask calibrated to contain a precise …

a container used for stirring, mixing, and heating liquids, a small, cylindrical glass container used for holding and heating substances, a small gas …

a method to separate certain metals like iron or steel, a branch of science where we study substances and mixtures, something physical that you can …

part of the atom comprising protons and neutrons (7), process that causes reactive metals to discolour in air (9), protons and neutrons have a …

something burning, heat always _ from hot to cold, deals with matter and energy, the starting chemicals of a reaction, one of the products of …

is the left substances on the filter paper, a technique used to separate solid-liquid and liquid-liquid heterogeneous mixture, a separation technique …

the smallest particle of an element that retains all the properties of that element, a chemical combustion of two or more different elements, can be …

iron ore, ore of aluminum, the place for extracting iron, a barrier method in protecting iron from rusting, can be hammered into sheets, can be pulled …

this happens to the surface of an alkali metal when it reacts with oxygen, this gas is produced when an alkali metal reacts with water, sodium _ into …

can cause cancer, lung damage, and immune system failure, this chemical takes years to leave the body, chemical that is a major part of gasoline, …

the largest element in the fourth period, the largest element in the first period, the family of reactive nonmetals with seven valence electrons, all …

mixture in which one substance consisting of microscopically dispersed insoluble particles is suspended throughout another substance, tightly packed …

what do scientists use to measure artifacts under 30,000 years of age?, in order to date old materials, scientists use?, the half-life of carbon-14 …

what is the scale called that you measure acids and alkalis on?, what word does the colors blue and purple go with?, what is the process to make …

an indicator, shows whether a substance is acidic, alkaline, or neutral, a solution with a ph value less than 7, changes colour to show the ph of a …

what dissolves solute?, in a mixture of sugar and water, the sugar is the _ , name for something made from only one type of molecule, two or more …

a process where substances change to form new substances, a reaction where a substance burns in oxygen to release energy, a reaction where oxygen is …

a particle with a positive charge, an uncharged atomic particle, a particle that is found in all atoms, total numbers of neutrons and protons in a …

a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity, a thing that is …