An ionic bond can be formed between

two like charged ions
when electrons are shared between two elements
two unlike charged ions
two non-polar molecules

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell

Kidney stones are tiny crystals of calcium or magnesium that block the narrow sections of the excretory system. which symptoms would a person with kidney stones experience? a. inability to store urine; pain in the bladder b. inability to store urine; pain in the urethra c. reduced urine flow; pain in the bladder d. reduced urine flow; pain in the urethra