Question 1

Water surface tension is caused by ____________________ bonds.

Accepted Answer

The answer of Water surface tension is caused by ____________________...

Question 2

The following are important terms relating to acids and bases. Answer the question below by matching the description with the most appropriate word.​
-Measure of H+ in a fluid

Accepted Answer

A) ​pH 
B) ​acid 
C) ​base 
D) ​buffer 
A) ​pH 
B) ​acid 
C) ​base 
D) ​buffer

Question 3

Argon has 18 protons. How many electrons are in its third energy level?

Accepted Answer

A)  ​2 
B)  ​4 
C)  ​6 
D)  ​8 
E)  ​10 
A)  ​2 
B)  ​4 
C)  ​6 
D)  ​8 
E)  ​10

Question 4

Which subatomic particles have a negative charge?

Accepted Answer

A)  ​neutrons only 
B)  ​protons only 
C)  ​electrons only 
D)  both neutrons and protons​ 
E)  ​both protons and electrons 
A)  ​neutrons only 
B)  ​protons only 
C)  ​electrons only 
D)  both neutrons and protons​ 
E)  ​both protons and electrons

Question 5

The radioactive decay of 14C produces ____.

Accepted Answer

A)  ​carbon 12 
B)  ​carbon 13 
C)  ​more carbon 14 
D)  ​nitrogen 14 
E)  ​oxygen 14 
A)  ​carbon 12 
B)  ​carbon 13 
C)  ​more carbon 14 
D)  ​nitrogen 14 
E)  ​oxygen 14

Question 6

Isotopes of atoms ____.

Accepted Answer

A)  ​have the same number of neutrons but a different number of protons 
B)  ​behave the same chemically and physically but differ biologically from other isotopes 
C)  ​are the same physically and biologically but differ from other isotopes chemically 
D)  ​have the same number of protons but a different number of neutrons 
E)  ​are produced when atoms lose electrons 
A)  ​have the same number of neutrons but a different number of protons 
B)  ​behave the same chemically and physically but differ biologically from other isotopes 
C)  ​are the same physically and biologically but differ from other isotopes chemically 
D)  ​have the same number of protons but a different number of neutrons 
E)  ​are produced when atoms lose electrons

Question 7

The solvent, cohesive, and temperature stabilization properties of water are primarily due to its ____.

Accepted Answer

A)  ​ability to promote hydrophilic interactions 
B)  ​ionic bonds 
C)  ​hydrogen bonds 
D)  ​ability to promote hydrophobic interactions 
E)  ​nonpolar nature 
A)  ​ability to promote hydrophilic interactions 
B)  ​ionic bonds 
C)  ​hydrogen bonds 
D)  ​ability to promote hydrophobic interactions 
E)  ​nonpolar nature

Exam 2: Lifes Chemical Basis

Water surface tension is caused by ____________________ bonds.

The following are important terms relating to acids and bases. Answer the question below by matching the description with the most appropriate word.​ -Measure of H+ in a fluid

Argon has 18 protons. How many electrons are in its third energy level?

Which subatomic particles have a negative charge?

The radioactive decay of 14C produces ____.

Isotopes of atoms ____.

The solvent, cohesive, and temperature stabilization properties of water are primarily due to its ____.

Invitation to Biology

Molecules of Life

Cell Structure and Function

Ground Rules of Metabolism

Where It Starts - Photosynthesis

How Cells Release Chemical Energy

Dna Structure and Function

From Dna to Protein

Gene Control

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Studying and Manipulating Genomes

Evidence of Evolution

Processes of Evolution

Organizating Information About Species

Lifes Origin and Early Evolution

Viruses - Bacteria - and Archaea

Protists - the Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolution - the Invertibrates

Animal Evolution - the Chordates

Human Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Filters

The following are important terms relating to acids and bases. Answer the question below by matching the description with the most appropriate word. -Measure of H⁺ in a fluid