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Terms in this set (19)
atoms of the same element with same number of protons and electrons but different number of neutrons
How does an ion form?
when an atom gains or loses an electron
What do metals form?
What do nonmetals form?
how is octet rule achieved?
This can be achieved by gaining electrons to fill a shell, or losing electrons to empty a shell.
How is the octet rule used in covalent bonding?
nonmetals share electrons
How does metallic bonding work?
Metal atoms are bonded in a "sea" of electrons.
How does ionic bonding work?
metal loses electron to become cation, nonmetal gains electron to become anion
atom ability to attract and hold electrons.
Define electrostatic attraction
strong force of attraction between cations and anions that produces an ionic bond
What holds ionic compounds together?
Strong electrostatic forces of attraction
Define Monoatomic ion
an ion formed from a single atom
Define polyatomic ion
an ion made of two or more atoms
charge of a polyatomic ion
Define cation and anion
cation: positively charged ion
anion: negatively charged ion
why does electron transfer occur?
occurs when metal and nonmetal atoms come into close physical proximity
what happens in the lead up to electrostatic attraction between ions
electron transfer → ion formation → electrostatic attraction between ions
define ionic substances
compounds of metals and nonmetals
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