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Use the periodic table to determine about how many helium atoms (He) on the average would be needed to get close to the same mass as an oxygen atom (O) .
Q5: Convert the following mass moles.<br>22.98 g glycine,
Q6: The range of breaths per minute, also
Q7: The following represents trans-2,3-dimethyl-2-pentene. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB1423/.jpg" alt="The
Q10: How many mL of 6.00 M HCl
Q25: N<sup>3-</sup> and O<sup>2-</sup> have the same number
Q31: Which of the following is a type
Q34: Enter the chemical symbol in the blank
Q35: An exposure to equal amounts of energy
Q59: Calculate the mean absolute deviation (MAD).<br>A)2.8<br>B)13.4<br>C)7.5<br>D)1.6<br>E)2.4
Q65: In Buffer 2, the missing acid component