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Jamrock

Physical Science Questions-CAHS Jamrock

QuestionAnswer
What is an element? A substance that cannot be broken down into simpler substances.
What is a compound? A substance that is made from two or more simpler substances and can be broken down into those simpler substances.
What is a heterogeneous mixture? The parts of the mixture are noticeably different from one another.
When substances dissolve and form a homogeneous mixture, the mixture that forms is called a? solution
What is homogeneous mixture? The substances are so evenly distributed that it is difficult to distinguish one substance in the mixture from another.
What are the substances that undergo changes? reactants
What are the new substances formed as a result of that change? products
Ce Cerium
Fm Fermium
What is a decomposition reaction? A reaction in which a compound breaks down into two or more simpler substances.
V Vanadium
What is exothermic reaction? A chemical reaction that releases energy to its surroundings.
Md Mendelevium
No Nobelium
A materials ability to burn in the presence of oxygen. Flammability
This occurs when a substance reacts and forms one or more new substances. chemical change
What is a solid? the state of matter in which materials have a definite shape and a definite volume.
A temperature of 0 K is called? absolute zero
What is a endothermic reaction? The system absorbs energy from its surroundings.
What is a nucleus? A dense,positively charged mass located in the center of the atom.
This is an element that equals the number of protons in an atom of that element. atomic number
The pattern of repeating properties is? periodic law
Each column on the periodic table is called? group
Ra Radium
Co Cobalt
Created by: ren
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