danica91111 danica91111

03-04-2021
Chemistry

contestada

What is the average mass of an atom whose relative atomic mass is 39?

Respuesta :

riteshkumarch25 riteshkumarch25

03-04-2021

Yttrium
The elements of the periodic table sorted by atomic mass
Atomic Mass Name chemical element number
85.4678 Rubidium 37
87.62 Strontium 38
88.9059 Yttrium 39
91.224 Zirconium 40

Answer Link

Otras preguntas

If you were to add two goldfish into a fish tank that already contains three goldfish, explain what happens to the population density of then fish tank.

Write four to six sentences describing mama or Mrs. Flowers. In your analysis, include at least two personality traits of the person. Support your ideas about t

Blood is a mixture. Donated blood often is refined in laboratories to separate it into parts. What are those parts? What are they used for? How are they separat

please help. thank you. How did Bilbo discover the secret door into the mountain? He found the secret keyhole. He overheard Smaug talking about it in his sleep.

What is the primary sense the excerpt from “Chicago” by Carl Sandburg engages in the reader?

PLEASE HELP ME NOW Read the excerpt from "The Sky Will Not Fall." William tried to interrupt, but Caroline continued. "Here’s something else I learned. I lik

what's the importance of World Earth Day?

Which sentences are punctuated correctly? Check all that apply. The circus featured four clowns, three acrobats, and a tightrope walker. We will bring a flashl

Describe peyton's escape from the time he enters the water to getting back home

Which statements are true for the given quadrilaterals? Choose all the answers that are correct. A all rhombuses are rectangles B all squares are rhombuses C al