Which is true about scientific knowledge A. it can never be disproven.

B. it is often complete

C. it is often incomplete

D. it is never debated

Why is silver chloride is an ionic compound

Which of the following units is not an official si unit

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided