Which of the following statements incorrectly describes a tool used by scientists? A. A compound light microscope enables a scientist to view objects too small for the unaided eye to see,
B. A beaker is a type of glassware a scientist uses in the lab to record data.

C. A scale is used to measure weight.
D. A ruler is used to measure length.

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