Discuss in chronological order the different atomic mode

Q: In 1982, the production of a single atom of 266/109  Mt (meitnerium-266) was reported. Describe the…

A: The given element is meitnerium (Mt). It has mass number equal to 266 and atomic number equal to…

Q: Please calculate, how many atoms exist in 1cm^3 of copper with the density 8,93 gr/cm^3 and the…

A: 1 cm3 of copper with the density 8.93 g/cm3, whose number of atoms is to be determined.

Q: Static electricity is observed when whic part of the atom is transferred? a. Protons b. Neutrons I…

A: Static electricity is observed when electrons are transferred .  Naturally occurring static is…

Q: The diagram below depicts a lithium atom with three protons and four electrons. Calculate the charge…

A: Lithium belongs to group 1. The atomic number of Li is 3 and it's electronic configuration is 2,1.

Q: Atoms of the same element can differ in is called Isotope.

A: Atomic number (Z) is defined as number of protons present in an atom.  In a neutral atom number of…

Q: A particular atom has the symbol: 25Ne2- This atom has: protons - ? neurons - ?  electrons- ?…

A: The symbol is given as, 25Ne2- First of all, this is not an atom. This is an ion, an anion.  The…

Q: Define the atomic mass unit. What were the benefits of developing the atomic mass unit as a standard…

A: Atomic mass unit is defined as 1/12 of the mass of a C-12 atom.  OR 1 amu is the average of the…

Q: Activity type of Alumina (meaning of type I, II, III, etc.) what do the numbers mean?

A: Alumina is a granular and extremely porous form of aluminum oxide. It is available in basic, acidic…

Q: Atoms consist of ________ that are positively charged; neu-trons, which carry a ________ charge; and…

A: Given: Atoms consist of ________ that are positively charged; neutrons, which carry a ________…

Q: a why alumi W

A: a. Ionization energy increases as a general trend across the left to right of period 3.

Q: write the electronic configuration of born whose atomic number is 5 and mass number 11.

A: Given,  born whose atomic number is 5 and mass number 11.  Atomic symbol = B

Q: Answer and explain properly Dont provide answer from internet   Q) Mention the conflicting issue…

A: Conflicting issue arose between plum-pudding model and the outcomes of the cathode ray experiment:

Q: what is effective atomic number rule?

A: Effective atomic number: The sum of the number of electrons donated by the ligands and those present…

Q: no electrons are ejected

A:

Q: What is isotopic notation example and definitions please?

A: Isotope Notation is also known as nuclear notation. It is written form of an element that describes…

Q: Part A What is the atomic number of the element located in group 16, period 2 of the periodic table?…

A:

Q: Even though several elements have only one naturallyoccurring isotope and all atomic nuclei have…

A: The average mass of naturally formed isotopes is the atomic mass of the atom and the sum of number…

Q: The proton and electron (are, are not) of approximatelyequal mass.

A: For the given statement, the appropriate word has to be given.

Q: WHAT IS THE NUCLEAR MASS AND THE NUCLEAR DENSITY OF THORIUM IN PERIODIC TABLE

A: We have to write the Nuclear Mass and Nuclear Density of Thorium in periodic table.

Q: Which elements are likely to lose electrons

A: The metal atoms tend to lose electrons and form the cation and the nonmetal tend to electrons and…

Q: With an aid of a diagram describe an electron ionisation (EI) source used in mass spectrometry.

A:

Q: Briefly describe(a) the law of conservation of mass(b) Rutherford’s nuclear atom(c) weighted-average…

A: (a) the law of conservation of mass(b) Rutherford’s nuclear atom(c) weighted-average atomic mass(d)…

Q: The Atomic Number is the number of protons an element has, if that element has no charge, it will…

A: An atom basically consists of proton, neutrons and electrons. The protons and neutrons are present…

Q: Which atoms have the same mass number? Explain the answer.

A: ANSWER IS DISCUSSED BELOW :

Q: a. Explain how atoms of different elements differ from one another.b. Explain how atoms of different…

A: a).

Q: explain the concept of penetration and shielding. Make reference to energy.

A:

Q: In the early 1900s, Ernest Rutherford produceda beam of very small positive particles and directed…

A: The extremely small, invisible, and indestructible fundamental particle of matter is known as an…

Q: Explain why the atomic mass of an element is an average mass

A:

Q: What can u conclude about atoms with the most number of holes? Why?

A: The smallest unit of ordinary matter that makes up a chemical element is an atom. Every solid,…

Q: The + part of an element is called nucleus. The extranuclear part of the atom contains + charged + .…

A: The question is based on the atomic structure. We have to correctly identify subatomic particles…

Q: Complete ALL boxes in the table below. Number Number Number Number of Chemical name of of of valence…

A: Number of neutrons is obtained by the difference between mass number and atomic number.

Q: number of atom: 31. 0 a of

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

Q: It correspond to the number of electrons of electrically neural or complete atom

A: An atom forms an ion when electrons are either added or removed from it. It forms cations…

Q: Select H, atomic number 1. How many stable Isotopes ofH exist?

A:

Q: What is the most abundant peak called?

A: The most abundant peak has to be defined.

Q: Determine, by calculations, which isotope of cooper is the most abundant in nature

A: avg. atomic mass=∑i(isotopei×abundancex) With regards to the genuine computation, it's simpler to…

Q: - Sulfur - Nitrogen - Fosfor - Arsenic - Cr - Cu - Uranium - Zinc - Hg by exclude from the elements…

A: The biological pathway in which elements are transformed and moved through various states by…

Q: What is Leucippus contribution atomic theory?

A: Matter can be defined as any substance that has some mass and occupy space. Matter can be solid,…

Q: 3. Atomic #= # of and # of Atomic Mass= #.of neutronsD

A: Protons , Neutrons and Electrons are called as sub atomic particles. The reason they are said so…

Q: Consider the following data: isotope                  atomic mass                    abundancy%…

A: ANS. Option B) 31.19 amu

Q: Why transtion elements are placed in center justify answer ?

A: Unlike other metals and elements, electrons in the inner shell of the transition elements only…

Q: One of the assumptions of the atomic theory is that (each energy level is coupled with a fixed…

A: Each energy level is coupled with fixed amount of energy, the energy level closest to the nucleus…

Q: Use the Atom Builder interactive to identify each nucleus as stable or unstable.

A: In the given diagrams the purple sphere represents the number of protons and the white spheres…

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, Ilocated in the outer Solar…

A: As it is given the mass of isotope and it's relative abundance. So we can easily calculate the…

Q: Radioactive emissions known as alpha, beta, and gamma are referred to as "ionizing radiation." This…

A: 1 ) We need to tell the correct statement for the term ionizing radiation