What is the charge of a monatomic ion? [a] oxidation number [b] electronegativity [c] polarity [d] negative [e] positive

56.16 gregor mendel was the first scientist to use statistics to analyze scientific data. before mendel's experiments, scientists believed that organisms acquired traits from their environment and passed them on to their offspring. after mendel's discoveries were accepted, scientists realized that traits passed to offspring were the result of genes being passed from parents to offspring. this is an example of pls

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

If a sample of radioactive isotopes takes 600 minutes to decay from 400 grams to 50 grams, what is the half-life of the isotope?