camila4143 camila4143

13-05-2022
Chemistry

contestada

What does the number at the end of an element mean? (For example, Hydrogen-3)

Respuesta :

nevinjiju2011 nevinjiju2011

13-05-2022

Answer:

The top number is the total mass number, particles in an atom of an element that have mass are protons and neutrons.

Explanation:

Answer Link

Otras preguntas

I NEED HELP ASAP CONGRUENCY IS NOT MY STRONG POINT

-3 1/4 x+25 =2 1/4x-13 1/2

Lily observes that the food served in her school cafeteria is often of poor quality. After a food poisoning scare, Lily decides to write letters to her family,

PLEASE SOMEONE HELP ME WILL MAKE YOU BRAINLEST Andi buys 2 pounds of pistachios and 3 pounds of almonds. The pistachios cost $4 more per pound than the almonds.

Which linear equation has no solution? 3/2 (9x +6) 3 5x + 12 = 5x -7 4x + 7 = 3x + 7 -3(2x - 5) = 15 - 6x

Why are the Americas called the New World?

Once Africans boarded the slave ships for the journey to the Americas, what percentage did not survive the six to eight week voyage?

3/8 + 1/8 - 2/7 + 1/4 equals

Somebody plz answer these easy questions correct thx!!! (WILL MARK BRAINLIEST) :D

Ten times a number is 36 more than four times that number. Find the number.