QUESTION 2 Naturally occurring gallium is 60% 69Ga and 40% 1 Ga by mass. Based on this data the atomic mass of this element is OA 39.0 O B.71.0 OC. 69.8 OD.70.0 OE.69.0

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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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QUESTION 2
Naturally occurring gallium is 60% 69Ga and 40% 1 Ga by mass. Based on this data the atomic mass of this element is
O A 39.0 O B.71.0 OC. 69.8 O D. 70.0 OE.69.0
QUESTION 3
The number of moles of atoms in one mole of carbon dioxide gas, CO2, is
OA 3
O B
6.02 x 1023
OC1
OD 3x 6.02 x 1023
OE 2
Transcribed Image Text:QUESTION 2 Naturally occurring gallium is 60% 69Ga and 40% 1 Ga by mass. Based on this data the atomic mass of this element is O A 39.0 O B.71.0 OC. 69.8 O D. 70.0 OE.69.0 QUESTION 3 The number of moles of atoms in one mole of carbon dioxide gas, CO2, is OA 3 O B 6.02 x 1023 OC1 OD 3x 6.02 x 1023 OE 2
QUESTION 1
Ernest Rutherford concluded from experiments that they indicated nuclei of atoms are relatively
O A. close together and negatively charged
B. far apart and positively charged
C. close together and neutral
D. far apart and negatively charged
Transcribed Image Text:QUESTION 1 Ernest Rutherford concluded from experiments that they indicated nuclei of atoms are relatively O A. close together and negatively charged B. far apart and positively charged C. close together and neutral D. far apart and negatively charged
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