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A&P Chp 2 Chemistry

Teacher: Mr. Wm Moran
Across
Water is essential to life; if we do not have enough water our bodies become __________ which is a life threatening condition.
Electrolytes are responsible for the acidity or alkalinity of solutions and can conduct an electrical charge.
A ________ shows the types of elements present and the proportion of each element present by weight.
________ energy is work resulting in motion.
Various elements can combine in a definite proportion by weight to form _________.
When compounds are in solution and act as if they have broken into individual pieces, the elements of the compound are called ____________.
_________ compounds are made up of molecules that do not contain the element carbon. The exceptions are carbon dioxide and calcium carbonate.
The normal atom is made up of _________ particles: protons, neutrons and electrons.
The smallest unit of a compound that still has the properties of the compound and the ability to lead its own stable and independent existence is call a ________.
An _______ is a substance that can neither be created nor destroyed by ordinary chemical means.
______ is the ability to do work or to put matter into motion.
In addition to combining to form elements, atoms can share or combine their electrons with atoms of other elements to form chemical _____.
_____ is the most important inorganic compound to living organisms.
Down
Certain isotopes are called ___________ isotopes because they are unstable and decay emitting energy in the form of radiation.
The most common uses of isotopes are for the treatment of _______ conditions, prostate cancer, and cancer bone pain.
In many living organisms, the elements carbon, hydrogen, and oxygen are united to form _______ compounds.
Water is necessary for __________.
_________ is the study of the structure of matter and the composition of substances, their chemical reactions
Electrons have a negative (-) electric charge and are arranged around the nucleus in orbital zones or electron shells.
_________ energy is energy stored in cells waiting to be released.
Atoms of a specific element that have the same number of protons but different number of neutrons are called ________.
_____ is the smallest piece of an element.
When atoms give up an electron or take an extra electron they form an _____ bond. This particle can be positively charged or negatively charged.
Protons and neutrons make up the _______
______ is anything that has weight (mass) and occupies space.
Water makes up 55% to 65% of our body _______.