CHEMISTRY OF LIFE

Front: Matter

Back: Anything with mass and volume.

Front: Atom

Back: Smallest unit of matter.

Front: Proton

Back: Positive

Front: Neutron

Back: Neutral

Front: Electron

Back: Negative

Front: Atomic number

Back: Number of protons.

Front: Atomic mass

Back: Protons + neutrons.

Front: Valence electrons

Back: Electrons in outer shell.

Front: Stable atom

Back: Full valence shell.

Front: Ion

Back: Charged atom.

Front: Ionic bond

Back: Electron transfer.

Front: Covalent bond

Back: Electron sharing.

Front: Polar covalent bond

Back: Unequal sharing.

Front: Nonpolar covalent bond

Back: Equal sharing.

Front: Hydrogen bond

Back: Weak attraction between molecules.

Front: Cohesion

Back: Water sticks to water.

Front: Adhesion

Back: Water sticks to other surfaces.

Front: Surface tension

Back: Resistance on water’s surface.

Front: Density of ice

Back: Ice is less dense than liquid water.