brennie21 brennie21

24-09-2020
Chemistry

contestada

An atomic model shows 19 protons, 20 neutrons, and 19 electrons. What is the mass number of the atom?

Respuesta :

brooklynm70 brooklynm70

24-09-2020

the mass number of the atom is 39

Answer Link

Otras preguntas

optimal arousal theory psychology definition

When is Partial filling of Schedule II permissible? a. At the discretion of the pharmacist b. If the patient requests c. If the prescription does not exceed a 3

1964 Act authorized program to help low income achieve nutritional balance

Give 2 examples of Street Jazz Dance and list 5 qualities of it?

Do not smoke within __ ____ of a placarded cargo

net force on a system is equal to the ___________ of the system.a. momentum b. accelerationc. impulse d. rate of change of momentume. rate of change of accelera

Most of the time, increased leverage means an increased IRR. Explain how increasing the leverage could reduce the IRR. a) By increasing the cost of borrowing b)

What should an interviewer do in order to be both a good evaluator and an effective helper during a clinical interview? a) Maintain objectivity b) Avoid empathy

Narrative essay of my life with 300 words

50 ml solution is prepared by dissolving 0.53 g NA₂CO₃ and 1.05 from NAHCO₃ the prepared solution isA) 1.0MB) 0.1MC) 0.20MD) 0.2M