Multiple Choice
-Which of the above drawings represents a pure compound?
A) drawing (a)
B) drawing (b)
C) drawing (c)
Correct Answer:
Verified
Correct Answer:
Verified
Q115: KH<sub>2</sub>PO<sub>4</sub> is<br>A)hydropotassium phosphate.<br>B)potassium dihydrogen phosphate.<br>C)potassium diphosphate.<br>D)potassium hydrogen(II)phosphate.
Q116: What is the chemical formula for radium
Q117: What group of elements does the shaded
Q118: A sample of pure calcium fluoride with
Q119: The formula of thallium(III)selenide contains _ thallium(III)and
Q121: Which of the compounds,Na<sub>3</sub>P,PH<sub>3</sub>,C<sub>2</sub>H<sub>6</sub>,IBr<sub>3</sub>,are ionic compounds?<br>A)only C<sub>2</sub>H<sub>6</sub><br>B)only
Q122: In the following drawings,shaded spheres represent cations
Q123: . <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4940/.jpg" alt=". -If
Q124: The number of neutrons in a neutral
Q125: The observation that 15.0 g of hydrogen