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SCIENCE-
Question | Answer |
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The law of conservation of mass, also known as the principle of mass/matter conservation, states that the mass of an isolated system (closed to all matter and energy) will remain constant over time. | Law of conversation of mass |
when you change the appearance of something but not chemically. | physical change |
when you chemically alter something | Chemical change |
a particle in matter that cannot be broken down any further. | Element |
something that shows elements bonding | chemical formula |
when a molecule has two of its own self | diatomic molecule |
A molecular compound made of molecules - not ions. The atoms in the compound are bound together by shared electrons. | compound molecule |
A chemical equation is the symbolic representation of a chemical reaction where the reactant entities are given on the left hand side and the product entities on the right hand side. | chemical equations |
results of mixing more than two element together | chemical reactions |
A chemical reaction is a process that leads to the transformation of one set of chemical substances to another. | chemical reaction |
effect from a cause | reactions |
productions | |
In science and statistics, validity has no single agreed definition but generally ... limit on the possible correlation between them (the so-called validity coefficient). | coeffient |