Parts of the Atom
Balancing Chemical Equations
Properties of Water
Water Quality
Miscellaneous
100

This part of the atom has no mass, and exists on the outer part of the atom in a cloud

Electron

100

In a chemical equation, the large number in front of the atom is called this

Coefficient

100

Water is the basis for all forms of this

Life

100

This is a value measured on a scale of 0-14

pH

100

Alkaline substances have a pH value in this range

7.1-14

200

This part of the atom has a positive charge, and the number of them determines what element the atom is

Proton

200

Provide the coefficients for the following equation:

H2O -> H2 + O2

2, 2, 1

200

Water has an uneven distribution of charges, which makes it this type of molecule

Polar

200

The amount of soil particles or cloudiness in the water is called this

Turbidity

200

The EPA is this type of agency, and are one of the biggest employers of environmental positions

Federal/Government

300

These particles are in the nucleus, have no charge, but do have mass

Neutron

300

In a chemical equation, the small numbers to the right of an element are called this. They indicate the number of that element in that atom.

Subscripts

300

Water striders are a type of bug that can stand on top of water thanks to this property

Surface Tension

300

The amount of salt in water is called this

Salinity

300

A hurricane's category is determined by this characteristic

Wind speed

400

These are the layers that surround the nucleus, containing negatively charged massless particles

Orbitals

400

Provide the coefficients for the following equation:

ZnS + AlP -> Zn3P2 + Al2S3

3, 2, 1, 1

400

Water can stick to other objects, like glass or copper, because of this property

Adhesion

400

An increase in temperature of water can reduce the amount of this element in the water

Dissolved Oxygen

400

This rock is what many national monuments are made from, and is dissolved by acid rain

Limestone or Marble

500

Electrons on the outer-most part of the atom are called this type of electron

Valence Electron

500

Provide the coefficients for the balanced equation of photosynthesis

6, 6, 1, 6

500

Water does not have much gain in temperature relative to its gain in energy, thanks to having a high ______

Specific Heat

500

An excess amount of nitrogen in water can result in this devastating process, which ultimately results in dead zones

Algae blooms/Eutrification

500

New Orleans was devastated by Hurricane Katrina in August of this year

2005