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Science crossword
crossword vocab
Term | Definition |
---|---|
Chemical bonding | The combining of atoms to form molecules or ionic compounds |
Chemical bond | An interaction that holds atoms or ions together. |
Valence electrons | An electron that is found in the outermost shell of an atom and that determines an atoms chemical properties. |
Ionic bond | Is a bond that forms when electrons are transferred from one atom to anotherwhich results in a positive ion, and a negative. |
Ion | A charged particle that forms when an atom or group of atoms gains or loses one or more electrons. |
Crystal lattice | The regular pattern in which a crystal is arranged. |
Covalent bond | When two or more atomsshare one or more pairs of electrons. |
Molecule | The smallest unit of a substance that keeps all of the physical and chemical properties of that substance. |
Metallic bond | A bond formed by the attraction between positively charged metal ions and the electrons around them. |
Chemical reaction | The process by which one or more substances change to produce one or more different substances. |
Precipitate | A solid that is produced as a result of a chemical reaction in solution. |
Chemical formula | A combination of chemical symbols and numbers to represent a substance. |
Chemical equation | A representation of a chemical reaction that uses symbols to show the relationship between reactants and the products. |
Reactant | A substance or molecule that participates in a chemical reaction. |
Product | The substance that forms in a chemical reaction. |
Law of conservation of mass | The law that states that mass cannot be created or destroyed in ordinary chemical and physical changes. |