Aluminum (Al) has an atomic number of 13 and an atomic mass of 27. Which of the following correctly shows the electron arrangement for aluminum?

1. 2, 11

2. 2, 8, 1

3. 2, 8, 3

4. 2, 8, 17

What makes a object hot or cold?

Which of the following procedures would best demonstrate cellular osmosis? A. a procedure that uses the skins of potato left overnight in oil B. a procedure that uses a banana that has been left overnight in milk C.

What statement is true of prions? a) Prions are produced by viruses. b) Prion diseases can be prevented by cooking your meat. c) Prions are abnormally shaped proteins that cause spongiform encephalopathies.

Describe the weather on three days this week

What are two characteristics of P waves

True or false Hydroelectric power plants are built on rivers that are flat and slow moving.

The perception of different colors, such as red, green, or blue, is caused by:

The term evolution was first used by

What improves the body's ability to use the calcium in milk

Dna controls inheritable traits by producing complex molecules called a. amino acids. b. nucleotides. c. chromosomes. d. proteins. 9. how are proteins made? what determines the shape and function of a protein molecule? 10.