kidusAschalew kidusAschalew

23-10-2021
Chemistry

contestada

The metal thallium occurs naturally as 30% thallium -203 and 70% thallium-205 calculate the atomic mass of thallium

Respuesta :

3683abdullah 3683abdullah

23-10-2021

Answer:

204.4 amu.

Explanation:

30% of thallium will be multiplied by the mass number of thallium-203(203). 70% thallium will be multiplied by the mass number of thallium-205(205).

Then you will add them up.

So, (0.30x203) + (0.70x205) = 204.4 amu.

Answer Link

Otras preguntas

lltyflyhighll1 Identify a transformation of the function f(x)=|x| by observing the equation of the function g(x)=|x|-32 A vertical shift 32 units upward. A hori

Which formula represents a nonpolar molecule?ch4hclh2onh3?

Which process is a chemical change? breaking of glass formation of frost magnetization of an iron nail loss of atmospheric ozone

Identify the properties 5+(2+7)=(5+2) +7 ^2 + ( + ) = ^2+ ( + ) h+0=h

An arc on a circle measures 85°. The measure of the central angle, in radians, is within which range?0 to radians to π radiansπ to radians to π radians

Which is a “big idea” of physical science? Motion cannot be altered by forces. Most of the mass of the Earth consists of solid matter. The universe is getting s

What would the master builder include when building a Gothic cathedral?

the length of a rectangle is 2 more than its width. Find the perimeter [tex]2l + 2w[/tex]if its area is 15 ft^2

Why should the Holocaust be rembered?

Meashell goes to school full time and completes her homework at her part-time job. In addition, final exams are coming up in a few weeks. Lately, she has begun