Which will form an ionic bond? a. a positive ion and a negative ionb. two positive ionsc. any two atomsd. two carbon atomsnen

A. A positive ion and a negative ion

is this a psat question, if so do not cheat try your best.

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.