Chemistry Crossword Puzzles

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 …

a chemical bond resulting from the transfer of electrons, this shows the elements in the compound and the ratio of atoms, in a covalent bond, …

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, …

energy that comes from changes in the nucleus of a atom, do not use their energy until they move, keep hot or cold in a object, energy stored in …

used to hold, mix, or heat small quantities of solid or liquid chemicals, a flat-bottomed laboratory flask that tapers upward to a straight neck, a …

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 …

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 …

2 substances together, a compound breaks down into two elements, _ displacement is when two elements swap places, 5 types that are different depending …

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 …

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

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 …

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 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 …

diagrams that show the bonding between atoms of a molecule and the lone pairs of electrons, horizontal row in the periodic table, the positively …

unlike conduction and convection, radiation does not require _ to transfer thermal energy, as the thermal energy of matter increases, it's …

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

is the term that occupies space; has physical and chemical properties; and exists in a solid, liquid, or gas form, are substances that cannot be …

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

a region of an atom that contains electrons. it's also known as an energy level, the total number of protons and neutrons in an atom, a subatomic …

only one kind of atom, a molecule made of two or more elements, combination of two or more substances that do not form chemical bonds, a group of …

a measurement of temperature, a reaction that produces heat, an extremely small piece of something, another name for the molecules involved in a …

the smallest part of a substance that can exist, a number of atoms bonded together, a substance made up of only one type of atom, a substance made up …

a gas that can make balloons float or explode into a fiery mess, most wires are made of this metal, common radioactive element referred to in movies, …

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 …

the second lightest element, its gas is used for advertising signs, the atomic number 8, has no stable isotopes, an nonreactive gas, more than 100 …