todo1252 todo1252

03-11-2021
Chemistry

contestada

What does the number 84 in the name krypton-84 represent?

a) the atomic number
b) the mass number
c) the sum of the protons and electrons
d) twice the number of protons

Respuesta :

frehiwot00 frehiwot00

03-11-2021

Answer:

b

Explanation:

it express the mass no of the element

Answer Link

Otras preguntas

Fritz drives to work his trip takes 36 minutes, but when he takes the train it takes 20 minutes. Find the distance Fritz travels to work if the train travels a

what is the best definition for the term interest rate?

In which direction does a reverse fault cause the land to move? up down left right

—¿Cómo estás, Carlos? —No _____ muy bien. A. estás B. estoy C. están D. estamos

All atoms tend to fill their outer energy levels with the maximum number of electrons, usually eight. depending on whether atoms satisfy the octet rule will pre

what is the best definition for the term interest rate?

Distinguishing between study skills and study methods

Can you use tap water in oxygen concentrator

4 over 5 Into decimal

What is the net charge of an element that has 15 protons, 17 neutrons and 18 electrons?