CHEMICALS REACTIONS AND EQUATIONS LATEST UPDATE 2025

CHEMICALS REACTIONS AND EQUATIONS LATEST UPDATE 2025


QUESTION: Nonmetals - ANSWER-Elements that are poor conductors of heat and electric current




QUESTION: Metalloids - ANSWER-Elements that have properties of both metals and nonmetals.




QUESTION: electrical conductivity - ANSWER-the ability of an object to transfer electric current




QUESTION: Flammability - ANSWER-A physical property which is the ability of a substance to burn




Balanced Equation - ANSWER-when both sides of the equation contain equivalent numbers of atoms of
each element




QUESTION: yields - ANSWER-refers to the amount of product obtained in a chemical reaction




QUESTION: coefficient - ANSWER-a number placed in front of a chemical symbol or formula during
balancing of the equation.

, QUESTION: subscript - ANSWER-a number that is written below the right of a chemical symbol.




QUESTION: reactant - ANSWER-substance that undergoes change during a reaction.




QUESTION: chemical equation - ANSWER-a chemical formulas & symbols to represent a reaction




QUESTION: product - ANSWER-substance produced during a chemical reaction




QUESTION: compound - ANSWER-is composed of two or more chemically combined elements




QUESTION: chemical reaction - ANSWER-one or more substances change to produce one or more
different substances




QUESTION: chemical formula - ANSWER-chemical symbols and subscript numbers that represents the
type and number of atoms present in a particular substance




QUESTION: synthesis - ANSWER-two or more elements come together to form a new compound




QUESTION: law of conservation of matter/mass - ANSWER-states that matter can not be created nor
destroyed