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Matter and bonding

Physical science

Density The amount of mass in a given volume
Homogeneous Mixture Compounds or elements within the mixture are evenly distributed
Heterogeneous Mixture Compounds or elements within a mixture are unevenly distributed
Kinetic theory of matter Matter is made up of particles that are in constant motion
Solids have Fixed shapes and fixed volumes
Liquids have No fixed shape and fixed volume
Gasses have No fixed shape or volume
What is the formula for density M/V
What are density's units g/ml and or g/cm3
Group 1 oxidation number is +1
Group 2 oxidation number is +2
Group 13 oxidation number is +3
Group 14 oxidation number is +/- 4
Group 15 oxidation number is -3
Group 16 oxidation number is -2
Group 17 oxidation number is -1
Group 18 oxidation number is 0 because it has a full valence shell
What is an Ionization number Losing or gaining electrons to fill a valence shell
What is a Oxidation number The change of an ion takes due to losing or gaining electrons
What is an Ionic bond A metal donates electrons to a nonmetal
What is a Covalent bond A pair of shared electrons between two atoms
What are 3 properties that a Ionic bond has 1.)High melting and Boiling points 2.)Conductivity 3.)Brittle
What are 3 properties that a covalent bond has 1.)Soft and flexible 2.)Low melting and boiling points 3.)Don't conduct or dissolve
What is polar covalent bond Atoms do not share electrons
What is a non-polar covalent bond Atoms shared equally
Electronegativity for ionic More than 1.7
Electronegativity for Polar covalent .5-1.7
Electronegativity for Non-polar covalent 0-.5
On a phase change where is the temperature not changing When it is melting
On the phase change when the kinetic energy is at the highest its is a Gasses
On the phase change when the kinetic energy is at the lowest its is a Solids
Hydrogen bond is a week bond between two atoms
Created by: dayanara_ruiz