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QUESTION 1 Which element has the largest atomic radius? Ο ΑΙ B Ga Ο ΤΙ O In QUESTION 2 An element that has four valence electrons in its outermost energy shell is O Zr Nb Sn S O Mo
QUESTION 3 A laboratory stock solution is 1.50 M NaOH. Calculate the volume of this stock solution that would be needed to prepare 300. mL of 0.200 M NaOH. O 10.0 mL O 2.25 mL 0 1.00 mL O 40.0 mL O 0.100 mL QUESTION 4 Calculate the molarity of a solution that contains 70.0 g of H2SO4 in 280. mL of solution. O 8.62 M O 9.78 M O 2.55 M O 6.84 M O 11.84 M QUESTION 5
QUESTION 5 Which molecule exhibits resonance? OPCl3 03 O H2S Bel2 O CO2 QUESTION 6 What is the mass of 2.2 x 10° CO2 molecules? O 1.0x 10-12 g O 9.7 x 1010 1.6 x 10-13 O 4.4 x 10-14 g g O 1.2 x 106g
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