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biology

christian biology flash cards

QuestionAnswer
Atomic Mass Number Total number of protons + neutrons in the nucleus
Atomic Number Number of protons in the nucleus; identifies the element
Atom Smallest unit of matter that still has the properties of an element
Chemical reaction Process where substances change into new substances by breaking/forming bonds
covalent bond Bond formed when atoms share electrons
Electrolytes Substances that dissolve in water to form ions and conduct electricity
Electrons Negatively charged particles orbiting the nucleus
Ionic Bond Bond formed when electrons are transferred, creating charged ions
Ion Atom or molecule that has gained or lost electrons → charged particle Isotope Atoms of the same element with different numbers of neutrons
Law of Definite Proportions A compound always contains the same elements in the same ratio by mass
model Simplified representation used to explain or predict scientific ideas
Molecule Two or more atoms chemically bonded together
neutrons Neutral particles found in the nucleus
Nucleus Dense center of an atom containing protons and neutrons
protons Positively charged particles in the nucleus
Created by: I'll Pass
 

 



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