mb2790523 mb2790523

20-10-2021
Chemistry

contestada

20

. If the number of neutrons in the nucleus of the atom is 30, and the atomic number is 40, what is the mass number of that atom?

Respuesta :

aryabhupala aryabhupala

20-10-2021

Answer:

70

Explanation:

The atomic number stands for the number of protons.

mass number stands for number of neutrons and protons.

30 neutrons + 40 protons = mass number of 70

Hope this helps!

Answer Link

ACCESS MORE ACCESS MORE ACCESS MORE ACCESS MORE

Otras preguntas

Acme Inc. is surveying customers as to what kinds of services they would like the company to add. It is involved in the marketing function of

What are one advantages and disadvantages of RENEWABLE resources?Use these sentence starters to help you: One advantage of renewable resources is ____________.

Which one is equal to 6 x 10^5 A (3 x 10^8) (2 x 10^-2) or B 600,000,000

Wyalusing Industries has manufactured prefabricated houses for over 20 years. The houses are constructed in sections to be assembled on customers’ lots. Wyalusi

a food server at harpers restaurant earns 5 dollars plus a 15% tip on the money made on each table he serves. Sam worked as a food server for six hours last fri

What is the basis of foreign policy? O national interest O self-interest foreign policy international systems

Which conditions will increase the rate of a chemical reaction?.

The byzantine military conquered territories once part of the roman empire that included.

The length of a rectangle is three times its width. If the perimeter of the rectangle is 64 cm, find its length and width.

pls help me pls I will give brainliest pls pls help pls