misswonderless misswonderless

01-10-2018
Chemistry

contestada

An isotope of mercury has 80 protons and 120 neutrons. What is the mass number of this isotope.

Respuesta :

Stilisvvs Stilisvvs

01-10-2018

The mass number of any isotope is equal to the number of protons and neutrons combined. In your example it is 80 + 120 = 200

Answer Link

Otras preguntas

This passage contains mistakes. Read the passage and answer the questions that follow. Backpacking, Anyone? (1) Grab your backpack, fill it with supplies, and

What are the ethical implications of online social media after someone has died?

25% of what number is 21

The _____________ of Mexico began when Cortés and his soldiers conquered the Aztecs in 1521. Panama Canal Carnival Treaty of Tordesillas Spanish conq

Prior to 1863 when Lincoln issued the Emancipation Proclamation, the central issue for the north was not slavery, but what? A. Preserving the Union. B. Maintain

A 2-pound box of spaghetti costs $2.50. Phillip says that the unit cost is 2÷$2.50= $0.80 per pound. Explain his error.

Find the area and circumference of 4

Help please I don't understand

Why do scraped knees and insect bites become red and painful or itchy

What happens during primary succession?