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Stegall-Chemistry#7a

Atomic Structure

QuestionAnswer
What is the abbreviation for an element called? Symbol
What is the abbreviation for a compound called? Formula
What is the simplest form of matter? Element
What is two or more elements structurally combined on the atomic level? Compound
What is the basic building block of all matter? Atom
What is the positively charged particle in the nucleus of an atom? Proton
What is the neutrally charged particle in the nucleus of an atom? Neutron
What part of the atom has almost all the mass of the atom? Nucleus
How is the Atomic Number of an element determined? The # of Protons in the nucleus of that element's atom.
How is the Atomic Mass of an element determined? The # of Protons + # of Neutrons in the nucleus of that element's atom.
What is the negatively charged particle in the area surrounding the nucleus of an atom? Electron
What is the area around the nucleus of an atom where the electrons are found? Electron Cloud
What part of an atom has most almost all the volume of the atom? Electron Cloud
What holds together the particles within an atom? Strong Force
How does an atom maintain an overall neutral charge? Same # of electrons as Protons.#Electrons=#Protons
How are electrons arranged in the Electron Cloud? Shell Energy Levels
What are the electrons called in the Shell Energy Level furthest from the nucleus of the atom? Valence electrons
Which electrons determine the properties of an element? Valence electrons
What do we call the unique arrangement of electrons for each element? Electron Configuration
Atoms with the same # of protons, but a different # of Neutrons from the normal are called...? Isotopes
What are the up&down columns of the Periodic Table called? Groups
What are the side-to-side rows of the Periodic Table called? Periods
Why is the Atomic Mass listed on the Periodic Table often a decimal #
Created by: kastega
 

 



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