The flashcards below were created by user
Sammi.Taylor
on FreezingBlue Flashcards.
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What is the chemistry of the body's structures and functions?
Biochemistry or Molecular Biology
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What is the branch of natural sciences dealing with the composition of substances, their properties, and reactions?
Chemistry
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What is the ability of chemical systems to do work or carry out change?
Energy
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What is the material that ha mass and occupies space?
Matter
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What is a form of energy?
Heat
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What is the field of chemistry that studies matter composed of carbon?
Organic Chemistry
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What is an element found in all living organisms?
Carbon
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What is the smallest portion of an element that still retains its properties?
Atom
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What is the parts of an atom?
Subatomic Particles
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What is a substance composed of atoms having identical numbers of subatomic parts that cannot be broken down into simpler substances by normal chemical means?
Element
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What is a chart of all known elements arranged according to chemical properties?
Periodic Table
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What is the structure of atoms composing each element, consisting of an atomic nucleus and atomic orbitals?
Atomic Structure
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What is a core of dense material providing an element with its mass and physical properties?
Atomic Nucleus
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What is the regions around the nucleus where electrons are located?
Atomic Orbitals (shells)
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what is any characteristic that can be detected by the five human senses or devices that are extensions of the senses?
Physical Properties
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What is a positively charged subatomic particle found in the nucleus?
Proton
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What is the number of protons in an atom?
Atomic Number
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What is the sum of protons and neutrons in an atom's nucleus?
Atomic mass
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What is a variation of an element having the same number of protons, but a different number of neutrons?
Isotope
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What is it called when the nucleus of an atom breaks down?
Nuclear Decay
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What describes a substance that gives off energy due to the decay of its unstable atoms?
Radioactive
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What is a method for dating organic remains based on their content of carbon-14?
Radiocarbon dating
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What is a negatively charged particle that orbits the nucleus?
Electron
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What is an element that has gained or lost an electron?
Ion
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What is the way atoms are attached to each other?
Chemical Bond
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What is identical elements bonded together?
Pure Molecules
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What are molecules of two or more different elements bonded together?
Compound
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What is a bond between two electrically charged elements?
Ionic Bond
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What are organic molecules produced by the chemical reactions of living organisms?
Biochemicals
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What is a bond between two elements sharing electrons?
Covalent Bond
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What is a temporary weak bond between a partial positive hydrogen atom and a partial negative oxygen, nitrogen, or fluorine atom?
Hydrogen Bond
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What is a glue- like property, as well with water?
Adhesiveness
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What is a substance's tendency to stick to itself?
Cohesiveness
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