¹⁴O, ¹⁶O, ¹⁸O Are Called _____________

Q20: Electromagnetic radiation having a wavelength of 475

Q21: Which element is highly reactive?<br>A) Cu<br>B) Kr<br>C)

Q22: The Millikan oil drop experiment was used

Q23: Match the following:

Q24: Does the metric system of measurement have

Q26: Which statement about electrons is true?<br>A) Electrons

Q27: How many grams of carbon (C) contain

Q28: There are _ millimeters in a centimeter.<br>A)

Q29: Which metric prefix means 1000?<br>A) pico<br>B) micro<br>C)

Q30: Calculate the number of grams in 0.928