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Chapter 17 mredohl
Question | Answer |
---|---|
What are building blocks of most matter? | Atoms |
Atom is a..... | Element |
Smallest particles of a substance | Molecule |
particles that are just large enough to be seen | brownia motion |
A substance that is made of atoms or different elements combined | compound |
Tells the proporties of any kind of atom | chemical formula |
The principal building blocks of the nucleus | nucleons |
Nucleons in an electrially charged state are | protons |
Nucleons is electrially state are | newtrons |
the contolling part of an atom | nucleus |
any of two or more forms of a chemical element, having the same number of protons in the nucleus, or the same atomic number, but having different numbers of neutrons in the nucleus | isotpes |
the number of positive charges or protons in the nucleus of an atom a given element | atomic number |
an atom with a net charge | ion |
how protons and newtrons are aranged | shell model of the atom |
a chart that lists atoms by their atomic number and theirelectron arrangments | periodic table |
gas containing an equal number of positive ions and electrons. | plasma |