Why does chlorhexidine not damage Alison's tissue? (This is about a girl who got burned, got a skin graft, and the graft developed an abscess below it.)

Can somebody help me and explain please? Thank you :)

☆ionisation energy increases across a period from na -> ar☆ionisation energy decreases down a group from li -> fr☆ionic radius decreases across a period from na -> cl☆ionic radius increases down a groupfrom f -> ii hope it clarifies your doubts

The answer is 4 i don't know if its right let me see.

Answerbonded to an amino group(nh2);

The answer is falsegravitational force is independent of medium and depends only on the masses of the two objects and the distance between them.