jonathanpaul2404 jonathanpaul2404

23-09-2021
Chemistry

contestada

¿Cuál es el número de masa de un átomo con 5 protones y 7 neutrones?

Respuesta :

anasweeney43 anasweeney43

01-10-2021

Answer:

Número de masa: 12

Explanation:

Mass of an atom = protones + neutrons

5+7=12

Answer Link

Otras preguntas

Six PS4 games cost $348. The cost of games varies directly with the number of games. Write a direct variation equation.

What should be subtracted from 3x^2-4y^2+5xy+20 to obtain x^2+y^2+6xy+20?

Order the following numbers from least to greatest. |3 1⁄4|, |-2 1⁄3|, 3 3⁄4, 2 2⁄3

Please answer the ixl math problem for 15 points and please fill in the blanks with the correct answer please i beg will mark brainliest

7. Refer to the figure above to answer this question. The message on this sign might be a. Hill. b. Cross Road. c. Pass With Care. d. Railroad Crossing.

Question 15 (1 point) Theme: Life depends on interactions within and between systems. Emergent properties are the result of interactions between the components

Attention to the environmental forces that create, contribute to, and address problems in living is not fundamental to social work.

The idea of a large, stable middle class (defined as those with annual household incomes in 2010 between $42,000 and $126,000 for a family of three), is central

Which statement best describes scientists who contributed to the current body of scientific knowledge?

the table shows information about 4 objects resting at top of the hill