In which of the following are the symbols and names for the ions given correctly? a. oh-: hydroxide b. po33-: phosphate; po43-: phosphite c. nh4-ammonia d. c2h3o2-: acetate; c2o4-: oxalite

Dona wrote the characteristics of two types of galaxies as shown below: type a: has a large flattened core type b: does not have a regular shape which statement is correct? type a is an irregular galaxy and type b is a lens galaxy. type a is a lens galaxy and type b is an irregular galaxy. type a is a spiral galaxy and type b is an elliptical galaxy. type a is an elliptical galaxy and type b is a spiral galaxy.