Which is used to name an ionic compound?
a)if the negative ion ends in -ide
b)if the positive ion ends in -ide
c)if the negative ion is the first word
d)if the positive ion is the second word

Spend time observing or thinking about events that involve matter and energy. which events can you explain? which events can’t you explain?

Acrow drops a 0.11kg clam onto a rocky beach from a height of 9.8m. what is the kinetic energy of the clam when it is 5.0m above the ground? what is its speed at that point?

The number of passengers who arrive at the platform of a subway station for the 10 am train is a random variable with a mean of 120 and a variance of 16. find the lower bound of the probability that there will be between 100 and 140 passengers (round off to second decimal place).