What is the atomic number of a given element is equivalent to ?

Q: Which of the following is an acceptable atomic model for a neutral atom of carbon?

A:

Q: Supposing that an electron in a hydrogen atom is positioned at an average distance of 5.29x10–11 m…

A: *The distance is r = 5.29 × 10-11 m *The charge on the electron is qe = -1.6 × 10-19 C * The charge…

Q: Explain Atomic Spectra.

A: There are two types of atomic spectra: Emission spectrum of an element is defined as the spectrum of…

Q: Dama: the electron of the hydrogen atom moved from the third orbit to the first orbit. Calculate 1-…

A: 1)The energy levels of an electron in a hydrogen atom is given by:…

Q: What do Scientist believe is caused by the rotation of electrons as they orbit the nuclei of atoms?…

A: a)  It is known that the circular current carrying loop produces a magnetic dipole moment ,…

Q: What is atomic spectra?

A: Atomic spectra are the range of characteristic frequencies of electromagnetic radiation that are…

Q: Distinguish between mass number and atomic mass?

A: Both the atomic mass and mass number is associated with representing the mass of the atom of an…

Q: Which element has the lightest atoms?

A: The element that has the lightest atoms is hydrogen.

Q: The energy levels of a hypothetical atom are shown here. Which of the following photons can an…

A:

Q: 2 -Calculate the atomic number and atomic mass number for atoms with a- 4 electrons and 2 neutrons…

A: Atomic number is the number of proton present in a chemical material.The proton number is equal to…

Q: Define the composition of an atom along with its electrons, neutrons, and protons.

A: Composition of an atom

Q: ! Atom: Atom is the building block of ALL the matter in our universe. Atoms are (no charge) which…

A: atoms are no charge it means atoms are in neutral. it means no of protons is equal to no. of…

Q: How do electrons fill energy orbitals?

A: The electrons fill the atomic energy orbitals in a certain pattern depending on the energy of the…

Q: Which of the following diagrams best represents the size of the atomic nucleus relative to the size…

A:

Q: A typical atomic nucleus is about 5x10^-15m in radius. Use the uncertainty principle to place a…

A: Given values: Nucleus radius ∆x=5×10-15 m

Q: Practice: Atom Vocabulary Part 1: Use the word bhank helow to label each definition with the…

A: Given: The nucleus of any atom consist of protons and neutrons. The number of proton depend on the…

Q: The nucleus of a certain atom has a radius of 4.0 × 10^-15 m. An electron orbits the nucleus at a…

A: Given data The radius of the nucleus is rn = 4 x 10-15 m The orbiting radius of the electron is Ro =…

Q: Explain how are the accelerating electrons interacted with a target atom?

A: When the accelerating electrons approach the target atom, then start to decelerate and slows down.…

Q: What are the chances that at least one of the atoms exhaled by your very first breath will be in…

A: Air is mixture of many kind of atoms and molecule. They are randomly moving and colliding each…

Q: Describe how the quantum model of the atom differs from the planetary model of the atom.

A: To differentiate : between the quantum model of atom and planetary model of atom

Q: Why do scientists prefer to describe matter by its mass?

A: Weight is a measure of force of gravity on an object.

Q: Describe atomic spectra using the terms of electron shells, emission, absorption, and wavelengths.

A: Atomic spectra:When electron in an electron shell makes a transition from one electron shell to…

Q: Use your own words and captured images for each question. Everything around us is made up of…

A: Element The substances that cannot be divided into simpler components by means of any chemical…

Q: G3/ what is the Components of atom explainit briefly

A: Atom: In science, atoms are the tinny smallest matter's particles, and it is combinations of atoms…

Q: Select one or more: a. The model suggested presence of electrons orbiting the heavy nucleus. b. The…

A: Bohr model suggested presence of electrons orbiting the heavy nucleus in that orbit which is…

Q: What element results if you add a pair of protons gto the nucleus of mercury?

A: Number of protons n in an element of mercury is 80

Q: The atomic number of an element is known to be 32. Write the four quantum numbers of all of the…

A: The atomic number of Germanium is 32. Its electronic configuration is as follows : [Ar]3d104s24p2…

Q: Select the elements that are ranked correctly from largest to smallest first ionization energy. F,…

A: Option C is the right answer  F, Cl, Br, I

Q: What will happen when an electron returns to its original energy level?

A:

Q: A particular atom contains 29 electrons, 34 neutrons and 29 protons. Which element is this and tell…

A: A particular atom has 29 electrons, 34 neutrons and 29 protons. The atom is copper.

Q: How is it possible for an element to decay “forward in the periodic table”—that is, to decay to an…

A: It is possible for an element to decay “forward in the periodic table”—that is, to decay to an…

Q: Physics eBook and Quiz 29:44 Physics-37 Q.5/25 AAA Submit Info Theme OFF Share Bug Font Submit All…

A: When an electron makes a transition from the quantum state ni to, then there will be the emission of…

Q: In another universe, the electron is a spin@3/2 rather than a spin@1/2 particle, but all other…

A: Given that In another universe, the electron is a spin@3/2 rather than a spin@1/2 particle, but all…

Q: What does the atomic number of an element tell us about it

A: Explanation: Atomic number of an element tells that the number of protons in the nucleus of the…

Q: Please describe Rutherford planetary model of atom (3-4 short sentences).

A: This model describes that an atom is a dense,  tiny, and positively charge core i.e. nucleus in…

Q: What do you mean by quantization of energy ?

A: According to quantum mechanics, energy is quantized unlike like classical mechanics. Now, quantized…

Q: Element symbol     O     Protons   20   Neutrons   20   Electrons     14 Mass number 16   28

A: Oxygen has atomic number 8 and it's symbol is O.

Q: Define and discuss the nucleus in an atom.

A: An atom has two parts, one is the central core which is called the nucleus and another one is the…

Q: To get an idea of the size of the parts of an atom, including the nucleus and the amount of space,…

A: Here, we want to take the idea of the size of an atom, by comparing it to physical objects.

The Bohr model

Students often get confused between Rutherford’s model and Bohr model of an atom. They interpret the postulates of both these models to be the same, which is incorrect. Rutherford’s model differs from Bohr’s model in the following ways: