1. Chapter 2 Review Regular rules No notes no books
Top Group gets 5 points extra credit
20 QUESTIONS

2. QUESTION 1
Basic unit of Matter
ANSWER- Atom

3. QUESTION 2 What holds atoms in compounds together?
ANSWER- Chemical Bond

4. QUESTION 3
True or false, Strong bases have a pH value ranging from 11 to 14
Answer- True

5. Question 4 Answer- Amino Acids
Proteins are polymers of molecules called _________ _____
Answer- Amino Acids

6. Question 5
What is released or absorbed whenever chemical bonds form or are broken?
Answer-Energy

7. Question 6
Compound that forms hydrogen ions in solution
Answer – Acid

8. Question 7
Mixtures of water and nondissolved substances are known as ______________
Answer- Suspensions

9. Question 8 Answer- Adhesion
__________- an attraction between molecules of different substances
Answer- Adhesion

10. Question 9 Element or compound that enters into a chemical process
Answer- reactants

11. Question 10
A water molecule is ______ because there is an uneven distribution of electrons between the oxygen and hydrogen atoms
Answer- Polar

12. Question 11 Answer- Atomic Number
The number of protons in the nucleus of an atom is called the __________ ___________
Answer- Atomic Number

13. Question 12
Negatively charged subatomic particle
Answer- Electron

14. Question 13 Answer- pH Scale
Chemists designed the _____ _______to indicate the concentration of H+ ions in a solution
Answer- pH Scale

15. Question 14 Answer- Enzymes
Proteins that act as biological catalysts are called _______
Answer- Enzymes

16. Question 15
Monomer of Proteins
Answer- Amino Acid

17. Question 16 Answer- Element
An __________ is a substance that cannot be broken down into simpler substances by chemical or physical means
Answer- Element

18. Question 17 Answer- Substrates
The reactants of enzyme-catalyzed reactions are known as _____________
Answer- Substrates

19. Question 18 Answer- Chemical Reaction
A __________ __________ is a process that changes, or transforms one set of chemicals into another
Answer- Chemical Reaction

20. QUESTION 19 Answer- Activation Energy
Chemists call the energy needed to get a reaction started the ________ _________
Answer- Activation Energy

21. Question 20 (Last) Answer- Bonds
Chemical reactions always involve changes in chemical ______
Answer- Bonds