Chemistry Crossword Puzzles

can burn and cause cancer, atomic mass unit, an atom or group of atoms that has a positive or negative electric charge, a particle that has no …

a german chemist who developed the (4n+2) pi electron rule, needed to catalyse the chlorination of benzene, a benzene ring that only contains an nh2 …

a combination of substances not chemically bonded, a mixture where parts are visibly different, a mixture that scatters light but looks uniform, a …

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 …

_ is the type of matter that makes up the object, is the ability to burn _ , an element/mineral _ , is the ability of two or more substances to …

a state where the forward and backward reaction rates are equal, increasing the number of collisions between molecules would _ the rate of the …

combination of two substances, anti-pollution masks are based on this separation method, ability of a substance to dissolve in a liquid, time off that …

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 …

what type of oil do we have before it is refined?, crude oil is a mixture of which types of compounds?, what type of distillation do we do to separate …

separation of two or more substances of different boiling points, the process of separating heavy solid substances in water, the technique which is …

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

who's law of partial pressure states that the total pressure of a gas mixture is the sum of the partial pressures of the component gas?, the _ …

type of bond where electrons are shared, atomic number of 5 with 3 valence electrons, atomic number of 17 with seven valence electrons, same number of …

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 …

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

how quickly a substance is dissolved, separation of charge throughout a molecule due to differences in electronegativity between atoms in the …

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 …

is in ferrous metal, ferrous metal can be, ferrous comes from the latino word, where dose iron comes from, what is iron and carbon known as, what dose …

conducts heat, characteristic of metal, can be bent and pounded into shape, usually dull in appearance, non-metal we need to breathe, period table …

two elements join together, 5 types that are different depending on the situation, able to reduce in liquid, _ displacement is when two elements swap …

organic compound with single bonds of carbons, organic compound with double bonds of carbon, alkene with one carbon, alkane with one carbon, alkene …

a physical combination of two or more substances that retain their properties and can be separated, the force that holds atoms together in a molecule …

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, …

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

produced when a metal reacts with oxygen, turns universal indicator red, located on the left of the periodic table, located on the right of the …

the process in which some substances spontaneously emit radiation, the rays and particles emitted by radioactive material, the process by which …

kinetic energy is the energy of, when a liquid becomes a gas, when a liquid becomes a solid, when a solid becomes a liquid, the particles only vibrate …

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

chemical bond formed when atoms share electrons, the different positions for an electron in an atom, region surrounding the nucleus of an atom, where …

farmers use _ change to help prevent plants from freezing, endothermic process that results in cooling you off, heat lost, when vapor …