An element is found to have the following naturally occurring isotopes:
25% - mass 14
75% - mass 16
which of the following masses would you predict is the atomic mass?
select one:
o a 15
b. 14
o c. 15,5
d. 145

Acertain reaction has a activation energy of 54.0 kj/mol. as the temperature is increased from 22c to a higher temperature, the rate constant increases by a factor of 7.00. calculate the higher temperature. c (report only numerical answer)

The atomic number of an element is based on the number of electrons around its core mass of its nucleus number of protons in its nucleus number of neutrons in its nucleus

How many grams are there in one megagram