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Seahawk Matter Chp 1

Irwin Interaction with Matter Chp 1 Notes

Chemical Bonding The combining of atoms to form molecules
Chemical Bond An interaction that holds atoms or ions together
Valence Electron An electron that is found in the outermost shell of an atom and that determines the atom's chemical properties.
Ionic Bond a bond that forms when electrons are transferred from one atom to another, which results in a positive ion and a negative ion.
Ion a charged particle that forms when an atom or group of atoms gains or loses one or more electrons.
crystal lattice the regular pattern in which a crystal is arranged.
covalent bond a bond formed when atoms share one or more pairs of electrons.
molecule the smallest unit of a substance that keeps all of the physical and chemical properties of that substance.
metallic bond a bond formed by the attraction between positively charged metl ions and the electrons around them.
Which electrons are used to form bonds? Most atoms form bonds only with their valence electrons.
The atoms from which group in the periodic table rarely form chemical bonds Atoms in Group 18 (the noble gases) rarely form chemical bonds.
Why are atoms neutral? Atoms are neutral because he number of protons in an atom always equals the number of electrons in the atom.
Atoms of which group on the periodic table give off the most energy when forming negative ions? Atoms in group 17 give off the most energy when forming negative ions.
What is a covalent bond? A covalent bond is a bond that forms when atoms share one or more pairs of electrons.
How many atoms are in a diatomic molecule/ There are two atoms in a diatomic molecule.
What is ductility? Ductility is the ability to be drawn into wires.
Created by: shawnyd