Answer Key on page 11 Select the correct answer 1) Which of the

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11) Whic

A B C D E 12) A ch A B C D E

13) Wh

a A) B C D E

14) Whi

c of te A B C D E ch of these

A) Carbon

B) Hydrogen

C) Phospho

D) Calcium

E) All of the

hemical com

A) A proton

B) A base

C) An acid

D) A hydrox

E) A hydrog

at happens ) The HCl m

B) The wate

C) The conc

D) The pH o

E) None of t

ch property emperature

A) High spec

B) High hea

C) High hea

D) A and B

E) A, B, and

atoms wou n rus above mpound tha ide ion en ion when hyd r molecules s er had less f centration o of the water the above y of water m e for living o cific heat t of vaporiz t of fusion d C uld become at releases ochloric ac separate int free H+ of OH - incre r increases molecules e organisms? zation e inert if it a OH - into a s id is added to H+ and C eases enables wat accepted th solution is c d to water? Cl- ter to functi ree electron called: on as a m o ns? oderator

15) The

A B C D E 16) A co A) B C D E

17) Wh

a into A B C D E formation o

A) Gain or lo

B) Gain or lo

C) Sharing o

D) Sharing o

E) Gain or lo

ovalent bon ) Two non-p

B) A positive

C) One atom

D) Two atom

E) Two pola

at type of ch their respe

A) Condens

B) Hydrolysi

C) Oxidation

D) Ionization

E) Dehydrat

of ions invo oss of elect oss of proto of electrons of protons oss of neutr d is formed polar molec ely charged m gives up e ms share el r molecule s hemical rea ective subu ation is n n tion olves the: trons ons s rons d when: cules assoc d particle is electrons to ectrons s are attrac action resul nits? ciate with e attracted t o o another a cted to each ts in the bre ach other i o a negativ atom h other eakdown o n a polar en vely charged f organic po nvironment d particle olymers t 5 6 7 8 9 10

Streptococcus

Streptococcus 11 12

6) The "

A B C D E

7) The

a A) B C D E

8) The s

A) B C D E

9) A ch

e A B C D E first cells" s

A) Prokaryo

B) Animals.

C) Plants.

D) Fungi.

E) Protists.

atoms of a s ) Have the

B) Can form

C) Can have

D) Can have

E) Always h

second orbi ) 2 B) 3 C) 4 D) 6 E) 8 emical comp

A) A proton

B) A base

C) an acid

D) A hydrox

E) A hydrog

shown at th tes. single elem same num m bonds only e different n e different n ave an ove tal shell of pound that ide ion en ion he bottom o ment ber of elec t y with atom numbers of numbers of erall positive an atom ca releases H of this illustr trons ms of the sa electrons protons e charge an hold ___ H + into a sol ration most ame elemen _ electrons lution is cal likely refer nt lled: to: 14 15 16 17 18 19 20 21
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