average atomic mass of the element is amu.

Q: What is the difference between the mass number and the average atomic mass? Which one is on the…

A: we need to compare the mass number and the average atomic mass and tell which one of them is…

Q: Calculate the average atomic mass

A:

Q: The nucleus, the massive center of an atom, contains which two particles?

A: Nucleus is the massive part of any atoms . It contains mostly all the mass any element. Nucleus was…

Q: IRevie Part B A certain element X has four isotopes. • 4.350% of X has a mass of 49.94605 amu.…

A: Atomic mass of an element can be defined as the mass of a one atom of given chemical element. It is…

Q: If you had a balance that could determine the mass of aproton, how many electrons would you need to…

A: Mass of a proton is 1.67×10-27kg and the mass of the electron is 9.31×10-31kg.

Q: 23. What is the percent natural abundance of isotopes?

A: Atoms having the same atomic number but different mass numbers are known as the isotopes of each…

Q: How many sulfur atoms are there in 5.52 mol of sulfur?

A: Amount of substance is measured in mole. It is standard unit for measurement. 1 mole is equal to:…

Q: Show that the atomic mass of the element sulfur is 32.065 amu.

A: This question is solved by using the following formula.  mass contribution to Sulfur=(mass of…

Q: if a penny is made of 2.56 grams of copper, how many atoms of copper are in the penny?

A: Answer:- This question is answered by using the simple concept of calculation of number of atoms…

Q: Which of the following defines the mass of an atom

A:

Q: explain the difference between mass number and average atomic mass

A: Please see below explanation.

Q: The mass number of an atom is equal to the sum of which subatomic particles.

A: An atom is the smallest unit of ordinary matter that forms a chemical element and which can not be…

Q: 2.5 million atoms of particular element have a mass of 8.33X10^-16 grams. What is this element?

A:

Q: How many carbon atoms are there in 11.4 kg sample of carbon

A:

Q: An unknown element X has the following isotopes: ⁵²X (90.00% abundant), ⁴⁹X (8.00% abundant), ⁵⁰X…

A: The approximate atomic mass of element x is calculated as,

Q: For the particles of an atom, which two particles have the same mass?

A:

Q: An unknown element X has the following isotopes: ²⁵X (80.50% abundant, mass = 25.03 amu) and ²⁷X…

A:

Q: What is the mass of a single He atom? (Please type answer no write by hend).

A: Helium(He) is a noble gas. We have to find the mass of a single He atom.

Q: How can you calculate the average atomic mass of two isotopes,

A: Average atomic mass: The average atomic mass of an element is the sum of the masses of its isotopes,…

Q: How many Se atoms are there in a 82.1 gram sample of Se ?

A:

Q: Calculate the average atomic mass of sulfur if 95.00% of all sulfur atoms have a mass of 31.972 amu,…

A: We need to find the average atomic mass of sulfur from the given data. It is given that, 95.00% of…

Q: Copper exist in 2 naturally occuring isotopes the average atomic weight of copper is 63.546 amu if…

A:

Q: What is atomic mass? How is it calculated?

A: Atoms are the smallest constituents of a chemical compound and the atoms do not have independent…

Q: 5- Atoms of the same element with different mass numbers are called..

A:

Q: Neutral particles are called: Particles that have a charge are called: Particles of the same element…

A: Here is the answer

Q: A single atom of element Q has a mass of 1.09 x 10 -22 g. What is the name of the element Q?

A: Given : Mass of single atom of element = 1.09 X 10-22 g Assuming atomic mass of element is M.

Q: If element X has an atomic mass of 37.45 amu and is composed of x-38 and x-35, find the percent x-38…

A: Concept introduction: Mass of an element is the actual amount of substance is present in it and mass…

Q: Which part of the atom has most of mass ?

A: Most of an atom's mass is in its nucleus.

Q: Hydrogen and oxygen react to form water, together they are a  .... - molecule - compound -…

A: Hydrogen and oxygen are atoms that combine to form water

Q: Boron has only 2 naturally occuring isotopes. The mass of boron-10 is 10.01294 and the mass of…

A: Given : Mass of boron-10 is 10.01294 amu and boron-11 is 11.00931 amu. Assuming abundance of…

Q: If a penny is made of 3.11 grams of copper, how many atoms of copper are there in the penny?…

A:

Q: explain how we calculate the mass of an atom and why we write this down in atomic mass units

A: Atomic mass of an atom is the sum of total number of protons and neutrons present in the atom. It is…

Q: How many electrons would it take to equal the mass of aproton?

A: