Can pigs fly? I want to know this for my future so i can become smarter

Which notation is used to represent an alpha particle? a. b. c. d.

Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?