TEST REVIEW SEDIMENTARY IGNEOUS METAMORPHIC SEDIMENTARY 1 IGNEOUS

10. FALSE SEDIMENTARY IGNEOUS METAMORPHIC

12 11 Crystals in intrusive rock are larger.

18 The deeper the layer, the higher the temperature.

24 Only one layer. In all three regions.

27 Oldest E D ______ B A ______ C ______ Youngest

28 Atomic symbol B Atomic number 5 Na 11 H 1 Y Cu H

30 a. Protons positive b. Neutrons no charge c. Electrons negative

31 protons an element. It also tells you the number of electrons The atomic

32 mass number of an element is the total number of protons and neutrons

34. After 11, 200 years, a sample of radium 226 has decayed. It has

35. A fossil log sample was sent to the lab for carbon-dating. The 14

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TEST REVIEW

SEDIMENTARY IGNEOUS METAMORPHIC

SEDIMENTARY 1 IGNEOUS METAMORPHIC

2 SEDIMENTARY IGNEOUS METAMORPHIC

SEDIMENTARY 3 IGNEOUS METAMORPHIC

SEDIMENTARY 4 IGNEOUS METAMORPHIC

SEDIMENTARY 5 IGNEOUS METAMORPHIC

6 SEDIMENTARY IGNEOUS METAMORPHIC

SEDIMENTARY 7 METAMORPHIC IGNEOUS

SEDIMENTARY 8 IGNEOUS METAMORPHIC

SEDIMENTARY 9 METAMORPHIC IGNEOUS

10. FALSE SEDIMENTARY IGNEOUS METAMORPHIC

12 11 Crystals in intrusive rock are larger.

13. SEDIMENTARY

14. INNER CORE SOLID 15. CRUST

16 CRUST MANTLE OUTER CORE INNER CORE

18 The deeper the layer, the higher the temperature.

20 v i t D e 21 a l e R g n i t a

22 FALSE

24 Only one layer. In all three regions.

25 26. It went extinct.

27 Oldest E D ______ B A ______ C ______ Youngest

28 Atomic symbol B Atomic number 5 Na 11 H 1 Y Cu H Sg V 31 39 1 106 23 Protons 5 11 1 31 39 1 106 23 Neutrons 6 12 1 37 50 0 159 28 Electrons 5 11 1 31 39 1 106 23 Mass Number 11 23 2 68 89 1 265 51 29. One is H-2, the other is H-1. They are isotopes.

30 a. Protons positive b. Neutrons no charge c. Electrons negative

31 protons an element. It also tells you the number of electrons The atomic number tells you the number of in one atom of in a neutral atom of that element. The atomic number gives the “identity “of an element as well as its location on the Periodic Table. No two different elements will have the atomic number. same

32 mass number of an element is the total number of protons and neutrons in the nucleus of the atom. The

33 7 – 3 = 4 neutrons

34. After 11, 200 years, a sample of radium 226 has decayed. It has a half-life of 1600 years. The sample was originally 162 grams. How much is left? How many half-lives have gone by? 11, 200 ÷ 1, 600 = 7 half-lives 162 ÷ 2 = 81 81 ÷ 2 = 40. 5 ÷ 2 = 20. 25 ÷ 2 = 10. 125 ÷ 2 = 5. 0625 ÷ 2 = 2. 53 ÷ 2 = 1. 27 grams

35. A fossil log sample was sent to the lab for carbon-dating. The 14 C to 14 N ratio was determined. Of the original 240 grams of 14 C only 15 grams of 14 C remain. The half-life of 14 C is 5, 730 years. How many half-lives have gone by? 240 ÷ 2 =120 ÷ 2 = 60 30 ÷ 2 = 15 g 14 C 60 ÷ 2 = 30 4 half-lives 4 x 5730 = 22, 920 years 240 – 15 = 225 g 14 N