Multiple Cholce (60 points). Fill in your answer on the ScanTron answer sheet us
ID: 1089472 • Letter: M
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Multiple Cholce (60 points). Fill in your answer on the ScanTron answer sheet using pencil. Each question has one best anwer You wiW NOT be given extra time to fill in the ScanTron 1. The field of chemistry is centered around the study of (a) music (b) art c) matter (d) money (e) living things 2 Which of the following is NOT B type of mater? (a) air (b) heat (c) iron 3. Which of the following is a physical property? di protons () electrons (d) ice floats on waler (a) dynamite explodes (b) meat rots if it's not refrigerated (c) gasoline buns 4. Which of the following is a heterogeneous mixture? (d) a sugariwahar solution (e) an ollwater misture (c) Temperature is an intensive property d) ice (b) pound(c) hour (d) gallon (a) steel (b) carbon (c) zinc 5. Which of the following statements is true? (a) Temperature is an extensive property b) Temperature is neither intensive nor extensive 6. A substance that has a fxed volume of 1.5 L, but no fixed shape is a(n): (a) solid (b) gas (c) liquid (e) all of the above are true 7. Which of the following is a metric (SI) unit? (a) liter 8. Which of the following represents the greatest length? (a) 100 m (b) 100 nm (c) 100 pm (6) 100 cm(e) 100 km 9 Which ofthe following is the correct answer: 3.0 m x 200 m ? (a) 6 m (b) 6,0 m (c) 6,0 (d) 600m! (e) 60m! 10. Which of the following numbers does not have 5 significant figures? (e) 0.11606 (a) 0.011660(b) 1.1160 x 10 (c)0.11660 (d) 1.116 11. How many microliters are iaiter? (a) 1 x 10 (b) 1 x 1 (c) 1 x 102 (d)1x10) (e)1x0. 12 An element is composed of atoms that have 30 protons. Which of the following statements about that element are true? . (a) The atomic number is 30 (b) The atomic mass is 30 (c) The density is 30 g/L (d) The number of neutrons is 30 (e) The number of electrons number of protons+ number of neutrons 13. Protons and electrons have the same (a) mass (b) charge (c) volume (l)all fthese (ej none of these 4.An atom has 25 neutrons. Which of the following statements must be true? (c) The atomic mass is 25 a) The atom has 25 electrons (d) The atomic number is 25 (b) The atom has 25 protons (e) The mass number is greater than 25 (c) +3 (d)-1 e) -2 15. Gallium forms ions with a charge of (a)+1 (b)+2 f fn atem grains 2 electrons to form an ion. The charge on the lon is (a) +2 (b)-2 (c)1 (+1 (e)0Explanation / Answer
1) - c) matter
2) - b) heat
3) -d) ice floats on water
4) - e) an oil/water mixture
5) - c) temperature is an intensive property
6) - b) gas
7) - a) liter
8) - e) 100 km
9) - c) 6.0 m2
10) - d) 1.116
11) - b) 1 x 106
12) - a) the atomic no. is 30
13) - e) none of these
14) - e) the mass number is greater than 25
15) - c) +3
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