riverasierra703
riverasierra703 riverasierra703
  • 23-10-2017
  • Physics
contestada

An atom with 4 protons, 5 neutrons, and 4 electrons has an atomic mass of _____ amu. (Enter a whole number.)

Respuesta :

ejelonubenedict
ejelonubenedict ejelonubenedict
  • 23-10-2017
atomic mass = number of protons + number of neutrons = 4+5 = 9 amu
Answer Link

Otras preguntas

To paint interior​ walls, a person charges 50¢ per square foot plus the cost of the paint. For a recent​ job, the paint cost ​$100 and the total bill was ​$475.
an oil tanker can be emptied by the main pump in 5 hours. an auxiliary pump can empty the tanker in 8 hours. if the main pump started at 5 pm, when should the a
Có tài liệu về tài sản cố định (TSCĐ) trong tháng 5/2021 của công ty B như sau: Ngày 1/5 6/5 12/5 15/5 20/5 31/5 Số lượng TSCĐ (cái) 600 750 800 550 700 860 Tín
Which of the following ions is formed when an acid is dissolved in a solution? (5 points) H+ O− OH− SO42+
Find the equation of the line that passes through points A and B.
1. Compare a positive feedback loop and negative feedback loop for homeostasis. Body temperature is an example of a negative feedback loop. Imagine that body te
The value of keq for the following reaction is 0.25 SO2(g) + NO2(g) _ SO3(g) + NO(g) What is the value of at the same temperature if we multiply the reaction by
Jones Company paid $1,200 with cash this year in January for six months rent. Therefore, it will be used up before the end of the year when the financials are p
Please help me with reading theory
Equação do 2° grau 6x² -8x +12=0