Chemistry Crossword Puzzles

which precious metal is used in printed circuit boards?, what speeds up the rate of a reaction?, which metals are found in the central block in the …

bonding where valence e- are delocalized, sharing of 2 e- between 2 nonmentals, covalent molecule with uneven distribution of valence e-, elements …

a thermodynamic quantity equivalent to the total heat content of a system, the speed at which a chemical reaction takes place, defined as proportional …

device used to measure heat changes in chemical reactions, energy change at constant pressure; symbolized by δh, reaction that releases heat to the …

what group are the alkaline earth metals in?, element found in fireworks, element used to extract oil and gas, element that can be found in ore mine, …

a soft, silvery-white metal that is highly reactive and is often stored under oil to prevent it from reacting with air (9), a radioactive element that …

property of metal to be easily broken into pieces or powder form, a mineral deposit containing enough metal to allow economical recovery of it, a type …

this describes covalent compounds as conductors, these molecular ions gain or lose one or more electrons (ionic) as their atoms share electrons …

co2 released into atmosphere from burning, decomposers break down carbon from dead organisms, co2 released into the atmosphere as waste from …

do polar molecules attract each other?, electrons that play a part in the formation of chemical bonds are known as?, what bond is an attraction …

the state of matter in which atoms move around one another, when thermal energy is added or removed, this is what happens to a substance's state, this …

the particles in a _ are far apart and move quickly to spread out in the space, the particles in a solid are very close together and _ , when the …

a negatively charged ion, reflects the relative strength of the forces holding ions together in a solid ionic compound, a chemical compound formed …

it's a boring element, it's that yellow shiny stuff that everyone likes, put this in a balloon to make it float really high, can only be multiple …

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

covalent molecules have ..... covalent bonds, non-metal atoms that gain one or more electrons, covalent compounds do not conduct ...., metals can be …

cations and anions lose/gain electrons to achieve this.., what is the only poly atomic that is a cation?, a negatively charged ion that forms by …

each of two or more forms of the same element that has equal numbers of protons but different numbers of neutrons are called this, ionic compounds …

a diagram showing only the outer valence electrons of an element, when an element loses electrons it has this charge, this soft metal is highly …

it is the lightest and most abundant element in the universe, typically found as a gas. it is commonly used in fuel cells and plays a key role in …

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 …

a covalent compound containing carbon atoms, a simple sugar that contains three to ten carbon atoms, compounds with the same chemical formula but …

a saturated hydrocarbon with a general formula cnh2n, a group of similar compounds sharing a common general formula, the fourth alkane, the third …

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 …

light blue, white, and occasionally yellow in color, popular in jewelry, hardness is 10, used to create acid, which is used in batteries, hardness is …

electrons are found here, number of protons in a nucleus of an atom, positively charged ion, particle in an atom's nucleus with no charge, negatively …

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

the lightest element, the charge on an atom's nucleus, the charge on an electron, the name of the neutrally charged particle which is part of an …

a small clay cup that can withstand extreme temperatures, a glass tube that is open at the top and comes to a narrow pointed opening at the bottom, a …

negative subatomic particle in an atom, positive subatomic particle in an atom, p _ , neutral (no charge) sub atomic particle in an atom, n _ , when a …