Module 2 Flashcards
Simplest chemical substance where atoms are exactly the same
Elements
2 or more elements chemically bound together in a fixed ratio
Compund
Combination of compounds, elements, and altogether in one chemical substance
Mixture
formation of a chemical bond between two or more atoms, molecules, or ions to give rise to a chemical compound
Chemical bonds
4 types of chemical bonds
- Ionic bond
- Covalent bond
- Hydrogen bond
- Metallic Bond
Scientist for elements and atomisms
Robert boyle
Scientist for combustion and phlogiston theory
Joseph Priestley
Scientist for Law of Definite Proportion
Joseph Proust
Scientist for Law of multiple proportion
John Dalton
Scientist for Law of Conservation of mass
Antos Lavoisier
Both metals and non-metals
Metalloids
Transfer of electrons from one atom to another
Ionic bond
Ionic bond exists to
Metals and non-metals
An ion made of exactly one atom
Monoatomic Ions
An atom that has an unequal number of protons and electrons
Monoatomic ions
Made up of two or more atoms
Polyatomic ions
sharing of one or more valence electrons from one atom to another.
Covalent bonds
What bond exists between two non metals
Covalent bonds
Covalent bond has gain and loss of electrons TRUE OR FALSE
False, there is no gain or loss, just sharing
A type of bond that is formed when electrons are shared equally between two nonmetals
Non oplar covalent bonds
Formed when electrons are shared unequally between two nonmetals
Polar covalent bonds
symmetrical
non polar
asymmetrical
polar
have electrical poles
polar
no electrical poles
non polar
no charge seperation
non polar
dipole moment
polar
weak electrostatic forces
non polar
weak hydrogen bonds
polar
1
mono
2
di
3
tri
4
tetr
5
pent
6
hex
7
Hept
8
Oct
9
Non
10
Dec
The tendency of an atom in a molecule to attract the shared pair of electrons towards itself
electronegativity
scientist of electronegativity
linus pauling
T OR F
Not all nonpolar molecules have nonpolar covalent bonding
True
T OR F
All polar molecules have polar covalent bonding
True
Prediction of geometry/shape
VSEPR MODEL
2 key principles of VSEPR
1.electrons repel each other
2.lone pairs repel other electrons
colored triangle
front
broken lines
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