Marianaescobar0217
Marianaescobar0217 Marianaescobar0217
  • 25-02-2021
  • Physics
contestada

Please help me ASAP!

Please help me ASAP class=

Respuesta :

Histrionicus
Histrionicus Histrionicus
  • 02-03-2021

Answer:

The correct answer is - 97.

Explanation:

The mass number of an atom of an element is the total number of protons and neutrons present in an atom. Atoms normally have a different mass number but can be the same for different elements.

In the given case, there are 55 neutrons and 42 protons in an atom then the mass number of this atom would be:

mass number: 55+42

= 97.

Answer Link

Otras preguntas

How do I solve this problem 7x<14 and 1-x<4
what is the lithosphere made out of?
What is the initials for sodium chloride
analogies, allow:permit::find:
A drawing of a surfboard in a catalog shows it's length as 8 4/9 inches. Find the actual length of the surfboard if 1/2 inch length on the drawing corresponds t
Which mathematical sentence most accurately expresses the information in the problem below? Crystal has 100 compact discs that she wants to put into boxes each
should the object be measured in grams or in kilograms? a feather a bulldog a television a penny
the school marching band has 36 members. the band director wants to arrange the band members into a square formation. how many band members should be in each ro
What are the prime numbers of numbers 1-49?
A rectangle is 5 units long. The rectangle is also 3 units wide. What is its perimeter?