Identify the pairs among the following that are not isoelectronic: a. Cl- and Na+
b. Te2- and Ba2+
c. Ca2+ and Kr
d. Ar and Ca2+
e. Na+ and Al3+

What determines the average kinetic energy of the particles in a gas? a. the number of collisions b. the number of particles c. the size of the particles d. the temperature

what is your question? collegechemistry 5+3 pts in november 1987, a massive iceberg broke loose from the antartic ice mass and floated free in the ocean. the chunk of ice was estimated to be 98 mi long, 25 mi wide, and 750 ft thick. a typical backyard swimming pool contains about 24,000 gallons of water. how many of these pools could you fill from the water in this iceberg? (assume the iceberg is a rectangular solid of the above dimensions and consists of water only). express answer in scientific notation.

What properties would have caused early researchers to name hydrogen "inflammable air”