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ATOMS!

periodic table, atoms,ions, etc..

QuestionAnswer
in the Modern Periodic Table, elements are arranged according to... atomic number
Name the particles that make up a atom and identify their charge if any. protons + neutrons none electrons -
describe how and where electrons travel in an atom Electrons travel fast around the nucleus in the electron cloud
how do atoms bond together? ???? idk yet
An atom that has 10 negative electrons and 8 protons has a charge of negative 2
What is a charged atom? ion
The number of electrons in an atom ____ across each period of the periodic table increase
What is the events in order that would appear on a timeline? 1.Crookes' experiments with cathode-ray tube 2.Thomson's evidence for the existence of positive particles in atoms. 3.Rutherford's metal foil experiment 4.discovery of the neutron
"periodic table": 6 C 12 6 - atomic number C - Symbol 12 - atomic mass
What contains only one kind of atom? elements
To find the number of neutrons you must... Subtract the atomic number from the atomic mass
___ is responsible for holding the neutrons and protons together in the nucleus strong force
What is the symbol for mercury? Hg
a _____ is a row of elements in the periodic table whose properties change gradually and predictably period
the____ is the number of protons in the nucleus of an element's atoms atomic number
Explain why a neutral atom must have the same number of protons and electrons? A neutral atom must have the same amount of protons and electrons so they cancel each other out, leaving it with no charge.
Created by: JessicaDarlene
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