Chemistry (for Biology)

Living organisms are mostly made of _______ molecules.

A positively charged ion has ___________ an electron.

Water is a highly ______ molecule.

A bond with an electronegativity difference of 0.8 is a _________ bond.

A bond between two non-metals is a/an ________ bond.

These are found in the nucleus of an atom.

Two or more elements come together (bond) to make a/an:

This element is found in most forms of life:

Water is polar, and will therefore dissolve ___________ molecules.

If something is 'hydrophobic', it is:

Water molecules are attracted to each other by ________ bonds.

A molecule that has a positively charged and negatively charged region is a/an ______ molecule.

This type of bond is created when atoms share electrons:

'Electronegativity' refers to an atoms ability to:

Considering salt dissolved in water, the _______ is the solute.

A solvent + a solute = a ___________

A bond between a metal and a non-metal is a/an __________ bond.

Fluorine has _____ neutrons.

___________ bonds are stronger in water.

A negatively charged ion is called a/an:

The ability of water to 'stick' to itself is:

True/False: Oil will dissolve in water.

The identity of an element is determined by the number of _________ it has.

If an element gains or loses electrons (and becomes electrically unbalanced) it is an:

Carbon has ____ protons.

Carbon has ___ electrons.

The atomic number of an element refers to the number of ___________ it has.

True/False: Water is an excellent solvent.

An element in group number ___ will have 5 valence electrons.

Most elements want to have ____ electrons in their outer shell.