TheRealBean69 TheRealBean69

01-10-2022
Chemistry

Answered

40 POINTS UP FOR GRABS! NEED HELP FAST

An unknown element has three naturally occurring isotopes.
Below are their masses (amu) and % abundance

A) Calculate the weighted atomic mass unit for each isotope. Show % conversions and record the AMU for each isotope in the table below

B) What is the average (Total) atomic mass unit of the unknown element.

C) Identify this unknown element from the Periodic Table

The TOTAL AMU for all three isotopes is _

The Unknown element from the periodic table is ______

40 POINTS UP FOR GRABS NEED HELP FAST An unknown element has three naturally occurring isotopes Below are their masses amu and abundance A Calculate the weighte class=

Answer :

Other Questions

Question 1 (1 point) How is atomic mass calculated? O a Ob Oc Od Since the atomic mass is calculated as the sum of protons and neutrons, it is measured in amu.

Examine the table. Element Number of Protons copper (Cu) lodine (1) francium (Fr) lead (Pb) a Ob Oc Od 29 francium lead iodine copper 53 87 82 Number of Neutron

Give the symbol and name of the elements that correspond to these configurations of an atom. 6 a. 1s²2s²2p 3s b. 1s 2s²2p 3 15² 25² 2p 3s 3p² 4 1s²2s²2p² C. 1s

7) K₂CO3 # of molecules: # of elements: Name of element: Total # of atoms: The #3 is a # of atoms: (coefficient or subscript)

Explore It! Part 4 Element Compound Remember, each shape represents one atom, and different colors represent different types of atoms. Mixture KESLER SCIENCE IN

PLEASE HELP. Practice Problems 1. Which of the four samples had the highest density? The lowest density? 2. What effect does size or shape have on density of t

Based on the data table, one scientist concludes that the mass of PbCr04 formed depends only on the amount of K2CrO4 added, and another scientist concludes that

what is -56 0C to 0F

How do the patterns on the periodic table relate to the formulas for salts? Select the best explanation for how to use the periodic table to explain patterns i

Can anyone answer this question please it is very importantWhich statement about bases is true?(a) They are all alkalis(b) They can neutralize acids(c) They are