bucketofwaterd bucketofwaterd
  • 01-10-2020
  • Chemistry
contestada

(40 pts)Identify the mass number of an ion with 20 protons, 22 neutrons, and 18 electrons.

Respuesta :

Nikeon202
Nikeon202 Nikeon202
  • 14-10-2020

Answer:

42

Explanation:

Relative mass = number of protons + number of neutrons

Relative mass = 20 + 22

Relative mass = 42

Answer Link

Otras preguntas

Evaluate the summation of 3 times negative 2 to the n minus 1 power, from n equals 1 to 5.. −93 −33 33 93
A restaurant use 32 potatoes for each batch of potato soup it makes.about how many batches of potatoes soup can the restaurant make from its last shipment of 1,
Climate change definition environmental science
I neeeeddddddd help pleeeeeaaaaaaaseeeee
Find the rectangular coordinates of the point with the polar coordinates ordered pair negative 7 comma 5 pi divided by 3.
Make a box-and-whisker plot for the data. What is the upper quartile value? 42 48 43 65 58 47 60 56 52 64 51 66 56 62
Consider the equation: 3 4 x − 12 = 12.
____, as it relates to the internet, encompasses what information about individuals is available, how it is used, and by whom. a. security b. control c. filteri
Which diet would be best for Salvador to ensure he’s at a healthy weight
The natural pH of rain water is?