Wild World of Chemistry
What "matters" to you?
Mad Scientist
Dr. Jekyl or Mr. Hyde?
Sheldon Cooper's favorite
100

This part of the atom is involved in forming bonds with other atoms

electron

100

What is the term for 2 or more different elements that are bonded together?

compound

100

An atom that carries an electrical charge is called a(n):

ion

100

A fundamental substance that cannot be broken down into a simpler form is called a(n):

element

100

What 2 organs play key roles in maintaining normal blood pH?

kidneys, lungs

200

Give one reason why water is essential to life

universal solvent, regulation of temperature, protection, lubrication

200

Name the 3 forms of matter

 solid, liquid, gas

200

What type of ion is N+?

cation

200

_______________ is defined as the study of matter

chemistry

200

A normal blood pH ranges from _____ to _____

7.35 - 7.45

300

True/False:  NaCl is both a molecule and a compound

true

300

What compound is considered the universal solvent?

H2O

300

What type of ion is Cl-?

anion

300

What subatomic particle carries no electrical charge?

neutron

300

As the number of hydrogen ions increases, pH _______ (increases, decreases, stays the same)

decreases

400

What type of bond is formed when an atom shares an electron with another atom?

covalent

400

What type of bond is formed when electrons are shared by atoms?

covalent

400

A substance that forms ions when it is dissolved in water is called a(n)

electrolyte

400

elements that have the same atomic number but different atomic weights are called:

isotopes

400

Your patient's ABG results are:

pH: 7.52,  CO2: 38,  HCO3: 21

How would you interpret these results?

metabolic alkalosis

500
List the 4 elements that comprise 96% of body weight

C, H, O, N

500

What  type of bond is caused by the weak attraction between water molecules?

hydrogen bond

500

A substance has an equal number of hydrogen ions and hydroxyl ions.  What is its pH?

7.0

500

If an element has an atomic mass of 12 and an atomic number of 4, how many neutrons does it have?

8

500

Your patient's ABG results are:

pH: 7.28,  CO2: 48,  HCO3: 25

How would you interpret these results?

respiratory acidosis