Which elements form an ionic compound? check all the boxes that apply

Describe the independent and dependent variables in this experiment then describe the other variables that need to be controlled

A solution that has a high concentration of hydrogen ions has what type of pH? 2 7 13 14

The accepted value for the percent by mass of water in a hydrate is 36.0%. In a laboratory activity, a student determined the percent by mass of water in the hydrate to be 37.8%. What is the percent error for the student's measured value? (1) 5.

What is the molar mass of Mg (NO3) 2? Explain how you calculated this value.

A Saint Bernard and a Chihuahua are of the same species but look very different. It is possible to breed the two and get a puppy that might look like something else entirely but still be a dog. Why might dogs be of interest to an anthropologist?

Which of the following statements are consistent with Rutherford's nuclear theory as it was originally stated? (A) The volume of an atom is mostly empty space. (B) The nucleus of an atom is small compared to the size of the atom.

Which has a larger atom calcium or barium?

When a spring is compressed, the energy changes from kinetic to potential which best describes this change?

Which of the following elements is classified as a nonmetal Xe Ca Sb Cu

What two quantities does the AVEE measure