1 In a chemical reaction, the atoms and molecules produced by the reaction are called products. 2  In a chemical reaction, only the atoms present in the reactants can end up in the products. 3  No new atoms are created, and no atoms are destroyed. Draw an arrow after the second oxygen molecule to show that a chemical reaction is taking place. 2  Rearrange the atoms in the reactants to make the molecules in the products on the right side of the arrow. 3  Write the chemical formula under each molecule of the products. 4  Also draw a + sign between the products.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  adamant(Noun) A rock or mineral held by some to be of impenetrable hardness; a name given to the diamond and other substances of extreme hardness. 2  adamant(Noun) An embodiment of impregnable hardness. 3  adamant(Noun) A magnet; a lodestone.
sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion he's just being stubborn, refusing even to try the new toothpaste Synonyms adamant, adamantine, bullheaded, dogged, hard, hardened, hardheaded, hard-nosed, headstrong, immovable, implacable, inconvincible, inflexible, intransigent, mulish, obdurate, ...