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

Hello, I am struggling with this.

Choose the correct future form of hablar. Nosotros con la maestra. hablaré hablarás hablaremos hablarán

Roddy runs a 7-day, 10,000-person simulation several times, and finds that nobody has won the contest in any of his simulations. He is shocked because he though

Express 60 km/h in metres per second.

Why could the Soviet Union not fire on the planes flying into West Berlin?

What is the equation of the circle, with center (4, 2) and radius 5 units?

0.0443 = 4.43 × 10 look i just wanna know the answer

Heart attacks can result from a blockage of a. The trachea b. The bronchus c. A coronary artery d. The superior vena cava

How does Assimilation relate to barriers? Can it affect someone’s education? How? Help plsss

Read the following passage from “The Legend of Ra and Isis”. Then Isis said to Rā, "Among all the things which thou hast named to me thou hast not named thy nam