naomicost naomicost

22-09-2022
Chemistry

Answered

An unknown element has two isotopes, one with a mass of 14.00 amu and 98.632% abundance and one with a mass of 15.00 amu and 1.3668% abundance. Calculate its average atomic mass and identify the element.

Answer :

Other Questions

A fictitious element x has an average atomic mass of 122. 224 u. Element x has two naturally occuring isotopes. The most abundant isotope has an isotopic mass o

TWO solids and a liquid combined in a chemical change. The mass of the final mixture is lower than the mass of the starting ingredients. What happened to the mi

You are given two metal cubes that look similar. One has an edge of 3. 2 cm long and a mass of 43. 63 g. The other has an edge of 8. 34 cm long and a mass of 68

a cube has a dimension of 3.20 cm. what is the mass if the density is 8.5g / c * m ^ 3 * 7

You're only given two of those percentages. If 27% of the mixture is Interactium-283 and 39% of the mixture is Interactium-289, then how much of the mixture is

What element do you have with the following electron configuration if the atom is neutral? a. 1s¹ b. 1s²2s²2p5 c. 1s²2s²2p 3s²3p64s²3d6 d. 1s²2s²2p 3s²3p64s²3d¹

rob has a fish tank of 50 cm a height of 25cm and a width of 20cm , the fish tank has a mass of 3000g. what is the density ( I NEED THE ANWSER ASAP !!!!!! )

if 1 mole of Zn contains 6.02 x 1023 atoms and 1 mole of Zn has a mass of 65.4 g. How many atoms are in 0.750 grams of zinc

he variables for this experiment include mass, volume and the materials in the various balls, as well as their densities. In Part III, you will be investigating

Describe (in words )the relationship between the distance and time2 as the duster accelerated down the slope (with its smooth surface in contact with the truck)