(A) n=3,7=2 (B)n=42=3

Q: Identify the particle represented by X

A: First consider the particle X is zXA so we will determine first Z and A values then we know the…

Q: The chemist, Schrödinger, has the following major contribution. (A) An electric current produces new…

A:

Q: ormat Slide Arrange Tools Layout Transition Background Theme I IRIQ III . 2 ... .a II .4 .I..…

A: Solution- 1. The iron have 30 neutrons  Becuase atomic mass - no of proton or electrons or atomic no…

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: Q4: Using the principle of precision, prove the impossibility of having an electron inside the…

A:

Q: Electrons (me = 9.10938 × 10-28 g) moving at 1.80x107 m/s in an electron microscope: m

A:

Q: A carbon atom has a diameter of 67pm. If the nucleus of an atom is 100,000 times smaller than the…

A:

Q: SF, has a VSEPR notation of Do not worry about subscripts. Ex: AX,E, AX4E2 %3D

A: Sulfur belongs to VIA group, and has six electrons in its outermost shell. The electronic…

Q: In a mass spectrometer with an electron ionization source (EI) does the mass of an ion affect its…

A: Electron ionization (EI) is known as electron bombardment ionization in which energetic electrons…

Q: The U.S. Mint produces a dollar coin called the American SilverEagle that is made of nearly pure…

A: The U.S. Mint produces a dollar coin called the American Silver Eagle that is made of nearly pure…

Q: Provide the following information: a. the atomic number and symbol of the lightest alkali metalb.…

A: a. the atomic number and symbol of the lightest alkali metal Symbol = Li Atomic number = 3 b. the…

Q: Write the symbol for element and classify it as a metal, nonmetal, or metalloid. gold

A:

Q: Symbol of the element having Z=31

A: element having atomic number (z)=31,is Gallium and symbol is 'Ga'

Q: where does the reactivity of an atom primarily arise from

A: Atoms are made up of neutrons, protons, and electrons. Neutrons are the non charged particles while…

Q: Write the symbol for element and classify it as a metal, nonmetal, or metalloid.tin

A: The elements which lie on the left side or middle of the periodic table are classified as metals.…

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

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

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

A:

Q: 1.4 39.6 2.45 1000 100 10 0.1 AU, (MJ/moI) #of electrons

A: Solution :     Photoelectron Spectra is used to remove an electron from any shell in the atom. We…

Q: W+5 how many electrons

A: The symbol of Tungsten is "W" Atomic Number of Tungsten (W) =74

Q: 4. Deuterium is an isotope of hydrogen with 1 proton and 1 neutron in its nucleus (deuterium = ²H).…

A: Q - Deuterium is an isotope of hydrogen with 1 proton and 1 neutron in its nucleus (deuterium = 2H).…

Q: 16. 1. Five calcite, CaCO3 (MM 100.085 g/mol), samples of equal mass have a total mass of 10.3±0.1 g…

A: 1.) Given  total mass of five samples = 10.3 ± 0.1 g  molar mass of calcite, CaCO3 = 100.85 g/mol…

Q: Which of the following refer to elements in D-block? O Inner transition metals O Metalloids O…

A: A transition metal can be defined as any element in the periodic table, which includes groups 3 to…

Q: How many electrons are there in one atom of 71Ga?

A: The isotope can be represented as  ZYX where Y is the mass number and Z is the atomic number.mass…

Q: Answer the following: 1. Given: Atomic no. 51, mass no. 122 Predict the following a. Electron…

A: ZXA   Where X = element              Z = atomic number              A = mass number  Atomic number…

Q: Assuming that a lithium atom is spherical, calculate its volume in cm3. The volume of a sphere is…

A: Here, Diameter of Lithium atom = 104 Å=104 ×10-10m=1.04×10-8m…

Q: Write the name of element and classify it as a metal, nonmetal, or metalloid. I

A: Metals are opaque, lustrous elements that are good conductors of heat and electricity. Most metals…

Q: Write the expected and actual electronic configuration for Copper (29Cu) and explain the stability.

A: 1. Copper (Cu) atomic Number (Z) = 29. 2. Electronic configuration of 29Cu = 1S22S22P63S23P64S23d9 =…

Q: 6. Use a series of diagrams and a few point-form notes to create a flow chart that summarizes the…

A: Answer - Atomic theory has evolved since ancient times. The hypothesis of Greek scholars has become…

Q: Please do question 6a and if you to ptable.com you will see the periodic table… please dont return…

A: The compound given in the problem - H2O,H2S,Li2O.

Q: 4. Predict the following Amax Values:

A:

Q: Classify the following as either a fermion or a boson: (a) an electron. (b) a proton. (c) a neutron.…

A: Fermions are one of the two fundamental classes of particles. It is explained by Pauli's exclusion…

Q: ne Pauli exclusion principle?

A:

Q: . If the principal quantum number n were limited to the rangefrom 1 to 6, how many elements would we…

A: The principal quantum number is n and it can have any integer value from 0 to ∞.

Q: What two pieces of evidence allowed the first calculation of me , the mass of the electron?(a) The…

A: Electron is a subatomic particle having electric charge negative.Electron has high q/m ratio than…

Q: What wavelength, in Angstroms, corresponds to a neutron with a mass of 1.67 x 10-24 g that's moving…

A: We know, Wave is a transfer of energy and momentum without moving the mass. It is a form of energy…

Q: Give the number of electrons in an atom of the isotope americium-246.

A: The answer to the following question is given as -

Q: Place the following in order of decreasing radius. Se> Cl- > Te2- Te2- > Cl- > Se Cl- > Se > Te2-…

A: Periodic trend of atomic radius- Atomic radius of elements decreases form left to left across…

Q: 100 Zinc has three major and two minor isotopes. For this problem, assume that the only isotopes of…

A: We are given the atomic mass (M1, M2 and M3) of each isotope and we have to calculate the average…

Q: The negative muon (μ−) behaves like a heavy electron, with the same charge as the electron but with…

A: We have a system consisting of a nucleus of platinum (Pt195 with 78 protons and 117 neutrons) and…

Q: N. 5

A: NOTE: Since you've asked multiple sub-parts(4-9), we'll solve only the first three sub-parts for…

Q: (c) Explain why the d block elements zinc and scandium are not transition elements. (

A: Sc and Zn both are d-block elements .

Q: Which groups in the periodic table contain metals, nonmetals, and metalloids?

A: There are 18 groups in a periodic table. On going from left to right, the metallic character…

Q: A neutral atom with 9 protons will have how many electrons?

A:

Q: Complete the following by choosing the correct word. The atomic theory was given by * . 6c12 and 6c3…

A: The atomic theory was given by John Dalton. 6C12 and 6C13 have different neutrons and therefore…

Q: 3-48 Based on periodic table position, select the two elements in each set of elements that would be…

A:

Q: Istopes differ in the number of ( ) sub-particle.

A: Given : We have to tell isotopes differ in which subparticles.