sierrareid94 sierrareid94

22-10-2020
Physics

contestada

What is the mass number of an atom which contains 27 protons, 2 electrons, and 30 neutrons?

Respuesta :

akmalghufran316 akmalghufran316

23-10-2020

Answer:57

Explanation:

Because the mass number of an element is the sum of number of protons and neutrons so add up no of protons and no of neutrons.

Answer Link

Otras preguntas

Who highlighted the importance of observational learning?

In a market economy, _______________ determine(s) which goods and services should be provided and in what quantities.

Don, the owner of a fishing business, attended an entrepreneurship workshop that discussed the triple bottom line, which measures an organization's ____ perform

From the parent function y = sin(x), the function shown in the graph is shifted

The set of business processes, culture, and behavior required to obtain value from investments in information systems is one type of

Solve this problem in your notebook using all four steps. A board 60 in. long is cut into two parts so that the longer piece is 5 times the shorter. What are

After identifying the problem through observation, scientists will create a(n)

to the nearest tenth, what is the volume in cubic inches of the triangular prism below? 6 in (height) 3 in (width) 1.5 in (base)

Consider the currently accepted fluid mosaic model of the plasma membrane. where in the plasma membrane would cholesterol most likely be found?

According to the supreme court, what is the status of prayer in the public schools?