2. Determine the number of protons contained in particle of protons having a mass of 5.019 x 10* grams.

Q: What is distinctive about isotopes of elements, and why are they important?

A: The atomic number of an element is expressed as the number of protons and it is equal to the number…

Q: Calculate the mass in grams of one Pd atom.

A: We know that,  1 mole = 6.023 X 10^23  atoms  Number of moles = No of atoms / (6.023 X 10^23)  Mass…

Q: What are subatomic particles?

A: Sub atomic particle, also called elementary particle, any of various self contained units of matter…

Q: Complete the following table: 46V Symbol Protons 15 Neutrons 15 68 52 Electrons Please enter the…

A:

Q: Calculate the mass in grams of one mole of each of the following (the mass of a single item is given…

A: Given, moles= 1 eachMass per particle is given (assuming molar mass)To calculate, mass in g Formula…

Q: Using the data below, determine the missing mass of (19 9)F (atomic weight = 18.9984):  mass of…

A: For given element 9F19 we have to calculate out the missing mass of element upto four decimal using…

Q: Approximately how many times greater is the diameterof an atom than the diameter of its nucleus?…

A: Atoms are bigger in size and in the center of the atom nucleus is present.

Q: Identify the three subatomic particles

A: Atom is the smallest unit of matter. It is an indivisible particle.

Q: a. A sample contains 2472 atoms of phosphorus atoms. If each atom of phosphorus has 15 protons, what…

A: Given,Number of phosphorus atoms=2472 atomsNumber of protos in one atom of phosphorus=15

Q: Calculate What is the difference expressed in kilograms between the mass ofa proton and the mass of…

A: Kilogram is the SI unit of mass. Mass of protons is 1.67×10-27Kg. Mass of electrons is…

Q: For each of the following species, determine the number of protons and the number of neutrons in the…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Which particles account for most of an atom’s mass?

A: Atoms are the fundamental unit of matter consisting of neutrons, protons and electrons.

Q: Which of the three subatomic particles was discovered first—the proton, neutron, or electron? Which…

A: All matter is composed of atoms and atoms are made up of three subatomic particles- protons,…

Q: A sample of aluminum foil contains 7.50 x 1023 atoms. What is the mass of the foil?

A: Given :- no. of atoms of Al = 7.50 × 1023 atoms  To be calculated :- mass of Al foil (in g)

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

A:

Q: An isotope of mercury has 80 protons and 120neutrons. What is the mass number of this isotope?

A: The atom consists of 3 subatomic particles: Protons: They are positively charged particles present…

Q: What particles are found in the nucleus of an atom? What is the charge of the nucleus?

A: Sub-atomic particles are the particles that are present inside the atom. Three sub-atomic particles…

Q: Why was it more difficult to discover neutrons than protons or electrons?

A: Neutrons was discovered by James Chadwick in 1932, after the discovery of electrons and protons.

Q: Determine the subatomic particles for Si4- (the mass number remains at 29 amu, think about which…

A: The charge changed but the mass number did not changed. This is possible by emission of positron.…

Q: Rank the particles from most to least massive

A: In an atom; The mass of Neutron=1.693×10-27 kgThe mass of Proton=1.673×10-27 kgThe mass of…

Q: How many protons does an atom of mercury-200 have? Write the numerical answer only.

A: The number of protons is represented by the atomic number. The protons are present inside the…

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

A:

Q: i. How do humans use subatomic particles to the benefit of society? Provide an example and explain…

A: Atom has 60 subatomic particles.Mainly there are three subatomic particles.They are proton,electron…

Q: An atom containing 19 protons, 20 neutrons, and 19 electrons has a mass number of?

A: Given, Number of protons = 19 Number of electrons = 19 Number of neutrons = 20

Q: 1. Pereent abundance A. Calculate the average Mass of Ni'? 1 100 60 (242351 20 (10%) 38 62 64…

A: A question based on atomic structure, which is to be accomplished.

Q: How many electrons does it take to equal the mass of a proton?

A: An atom is made up of three subatomic particles. These are known as protons and neutrons that are…

Q: Where are particles with virtually no mass found in the atom? A. The electron cloud B. Inside the…

A: Ans  A)  The electron cloud .

Q: The density of copper is 8.96 g/cm3. How many copper atoms are in a sphere with a volume of 0.475…

A: Mass = Volume x density Number of moles = Mass in gram/Molar mass Number of atoms = Number of moles…

Q: 6) One mole of Ca and one mole of K contain A) The same number of protons B) Different amounts of…

A: One mole means the mass of a substance that contains Avogadro number of atoms. Avogadro number =…

Q: What do you look at on the periodic table to determine the number of protons of a element

A: The atomic number of an element tells the number of electrons in it. An element in its neutral state…

Q: The isotope of Nitrogen with a mass of 15amu is written as _? The isotope of Uranium with a mass of…

A:

Q: natural abundance mass isotope (amu) [% [% "Li 6.0151 "Li 7.0160

A: Atomic mass is the mass of one atom of an element. As an element can have numerous isotopes, the…

Q: 1.What are the properties og subatomic particles?

A: Given : Subatomic particles To find : Properties of subatomic particles  Solution : Everything is…

Q: Iculate the atomic weight of Magnesium given the mass and natural occurrence of each tope. Express…

A: We have given the masses and isotopic abundance of three isotopes of magnesium. Isotopes of an…

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: Why are isotopes important?

A:

Q: Match each charge, mass, or description with the correct subatomic particle. Some descriptors match…

A: The atom has three sub-atomic particles namely electron, proton and neutron.

Q: Which statement about subatomic particles are false? Some atoms don’t have any protons.

A: All atoms have protons.  Every atom has fixed number of number of protons.

Q: A student says,A carbon atom is not the smallest possible amount of carbon, because atoms are built…

A: An atom contains electrons, protons and neutrons. Therefore, a carbon atom is composed of its…

Q: Calculate the mass of 1.23×10241.23×1024 helium atoms.

A: 1 mole of a substance contains Avogadro number of atoms.

Q: An atom has a diameter of 1.50 Å and the nucleus of that atom has a diameter of 3.00×10−5 Å.…

A:

Q: 2.A student says,“A carbon atom is not the smallest possible amount of carbon, because atoms are…

A: Atoms are made up of smaller particles like electrons, protons and neutrons. Similarly, a carbon…

Q: Calculate the mass in grams of 1 mole of neutrons given the following conversion factors: 1 n° =…

A: Consider the given information is as follows; 1 n0 = 1.008665 amu1 amu = 1.660538×10-24 g1 mole =…

Q: What would be the approximate mass of a particle that has 48 electrons, 46 neutrons and 52 protons?

A: No of electrons = 48 No of neutrons = 46 No of protons = 52

Q:

A:

Q: In complete sentence, describe the similarities and differences between: Different isotopes of an…

A: In a complete sentence, describe the similarities and differences between different isotopes of an…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.