Isotopes Formative Date:
ame
A sample of element X contains 90 percent 35x
atoms, 8.0 percent "x atoms, and 2.0 percent 38x
atoms. The average isotopic mass is closest to
A. 32
B. 35
C. 37
D. 38

Each pair of clay balls represents to planetesimals if each plane test molluscum pound of the same material and is separated by the same distance which pair experiences the greatest gravitational attraction

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?

The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?