BIO 181 Lecture 2 review

Question 1

Which metallic substance can be used to treat depression?

Accepted Answer

Lithium

Question 2

The atomic mass of the element pictured is:

Accepted Answer

35.5

Question 3

How much experience have you had with chemistry?

Accepted Answer

No chemistry so far, College intro chemistry and organic chemistry, High school chemistry, College introductory chemistry

Question 4

Sodium bonding with chlorine to form Sodium chloride is an example of which type of bond?

Accepted Answer

Ionic bond

Question 5

The Hydrogen isotope tritium has which of the following:

Accepted Answer

1 proton + 2 neutrons

Question 6

Elements in the periodic table that share the same vertical grouping are called

Accepted Answer

Group

Question 7

The atomic number of an element tells you the number of:

Accepted Answer

protons

Question 8

Sodium is an example of which group of elements?

Accepted Answer

Alkali metal

Question 9

The chemical behavior of an element is determined by its

Accepted Answer

number of valence electrons

Question 10

The most common elements in organisms are:

Accepted Answer

Carbon, Nitrogen, Oxygen, and Hydrogen

Question 11

When two hydrogen atoms share electrons to form H2 this is an example of which kind of bond?

Accepted Answer

Covalent

Questions 11