Card Set Information
What are all metric measurements composed of?
Metric prefix and a basic unit of measure
What is the most commonly used temperature scale in the scientific community?
Celsius or Centigrade
The nucleus of an atom contains or is made up of which of the following?
Protons and neutrons
What is an atom that has a positive charge called?
In the periodic table, what are the rows called?
What is the atomic number?
Number of protons
Which of the following describes the atomic mass?
Average mass of that element's isotopes
Chemical equations are written in which manner?
Reactants -> Products
What is the charge on potassium in the compound KCl?
A catalyst is a substance that accelerates a reaction by which of the following?
Finding an alternate pathway for a reaction that requires less energy.
Percent concentration of a solution is expressed as which of the following?
Parts per 100 parts
What will one liter of a molar solution of any element contain?
The atomic mass in grams of that element
Chemical bonding is the bonding of which of the following?
One atom to another atom
Which of the following describes an ionic bond?
It does not share electrons
What is the concentration of 58.5 g of NaCl in 2 L of solution (atomic weights of each elements are as follows: Na=23g/mol, Cl=35.5g/mol)?
0.5 mol NaCl
In a redox reaction, which of the following describes reduction?
It is the gain of electrons
What are acids?
What is a benefit of water's ability to make hydrogen bonds?
High specific heat
What are bases or alkaline solutions?
Chemical reactions in living systems proceed along catabolic pathways, and there tends to be an increase in which of the following?
What is a pH of 7?
What is the weakest of all intermolecular forces?
Beta radiation is the emission of which of the following?
Which of the following describes carbohydrates?
They serve as fuel for the body
What are monosaccharides?
The simplest form of carbohydrates
Disaccharides are the joining together of which of the following?
Glycolysis is one of the body's chemical pathways for which of the following?
Amino acids are the building blocks for which of the following?
What is the union of two amino acids using a peptide bond called?
Which of the following describes lipids?
They are stored for a source of fuel after carbohydrate depletion
Which of the following describes DNA?
It consists of two strands of a deoxyribose sugar-phosphate chain
Use of the periodic table allows prediction of which of the following?
The properties of each of the elements
How could water be boiled at room temperature?
By lowering the pressure
What is a combustion reaction?
It is a reaction that involves oxygen
Iodine and carbon dioxide undergo sublimation at room temperature and atmospheric pressure. What is this process?
Changing from a solid to a gas
An experiment is performed to measure the temperature of boiling water at sea level. The actual boiling point is 104.6 C, 104.5 C, and 104.4 C. What term best describes these data?