CHEM 101 MIDTERM IVY TECH EXAM QUESTIONS AND ANSWERS 2025

CHEM 101 MIDTERM LATEST
IVY TECH EXAM

Which among the following elements does NOT exist as diatomic
molecule in nature? - ANSWERS-Neon


What is the formula for an ionic compound made of barium and
nitrogen? - ANSWERS-Ba3Na2


What is the name of Ca(NO3)2 - ANSWERS-Calcium nitrate


When elements combine to form compounds - ANSWERS-their
properties will change completely


What is the correct formula for ammonium hydrogen sulfate? -
ANSWERS-NH4HSO4


The charge of a vanadium ion in the compound V2O5 is: - ANSWERS-
5+


What is the mass of 3.91 x 10^24 sulfur atoms? - ANSWERS-208 g


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, CHEM 101 MIDTERM LATEST
IVY TECH EXAM
How many moles of potassium are in 156.4 g? - ANSWERS-4.000 mol


What is the mass (in grams) of 1.95 moles of water, H2O - ANSWERS-
35.1 grams


How many moles of fluorine are in 3.2 moles of xenon hexafluoride,
XeF6? - ANSWERS-19.2 mol


What is the mass in grams of 5.40 moles of lithium? - ANSWERS-37.5
grams


How many atoms are in 15.6 grams of silicon? - ANSWERS-3.34 x
10^23 atoms


What is the mass percent of Na in sodium chloride, NaCl? - ANSWERS-
39.3%


How many moles of carbon are in 3.5 moles of calcium carbonate
CaCO3? - ANSWERS-3.5 mol


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