The periodic table is arranged by elements according to their a. Atomic mass b. Atomic number C. Energy levels d. family one
Q: which of the following is NOT a subatomic particle that makes up an atom ? a) proton b) nucleon c)…
A: To determine which is not a subatomic particle that makes up an atom.
Q: The atomic number of an atom is equal to: A. The number of protons in an atom B. The number of…
A: The atomic number of an atom is defined as the number of protons present in the nucleus and the…
Q: Which of the following is not true of Bohr’s atomic model? a. The Coulomb force between the nucleus…
A: Postulates of Bohr's atomic model: Coulomb's force between electron and nucleus maintains the…
Q: An atom consists of 8 protons, 9 newtons and 8 electrons. What is it's atomic number? Select one:…
A: Given Number of Protons (np) = 8 Number of neutrons (nn)= 9 Number of electrons (ne )= 8 Atomic…
Q: The Periodic Table of the Elements is useful for revealing patterns and trends in the elements.…
A: Atomic radii is dependent on the atomic number of the elements and the force of attraction between…
Q: 6. Who discovered the nucleus of the atom? A. Dalton B. Rutherford C. Millikan D. Thomson
A: Given :- Discovery of nucleus .
Q: If the radius of the nucleus R = 1.2x 10^-13 cm, and known it is 1 fermi = 10^-13 cm, the nuclear…
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Q: What is wrong with the model of a lithium atom and how should it be corrected?
A: I find two wrong things here. 1) The arrangement of protons and neutrons is wrong. Protons are…
Q: The most stable atoms are: b. a. Atoms with even number of protons, odd number of neutrons Atoms…
A: The two fundamental components of nuclei are neutrons and protons. Although they are about the same…
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: Fill out the missing information. Use your periodic table! Element name Symbol Atomic # Blank 1:…
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Q: Explain how unstable heavy nuclides (atomic number > 83) may decompose to form nuclides of greater…
A: Given Explain how unstable heavy nuclides (atomic number > 83) may decompose to form nuclides of…
Q: A hypothetical element has three main iso- topes with mass numbers of 77, 79, and 80- If 15.00% of…
A:
Q: The half-life of element X is 8 days. If 120 g of element X is placed on a table, how much remains…
A: Given data: Half life (t1/2) = 8 days Initial amount of substance (N0) = 120 g Time (t) = 24…
Q: How can you "charge" an object? Hint: This is a physics question. A. By adding or removing protons…
A: Required method to charge a body
Q: Isotopes of an element contain: A. the same number of protons but different number of neutrons B.…
A: The nucleus of an element consists of protons and neutrons. The electrons don't reside inside the…
Q: Consider the following atoms: A. Gold, B. Copper, C. Carbon, D. Silver. Consult the periodic table…
A: Part a) A. Mass No. of Gold = 197 B. Mass No. of Copper = 63 C. Mass No. of Carbon = 12 D. Mass No.…
Q: A heavy hydrogen nucleus with one proton and one neutron is called a. bi-hydrogen. b. tritium.…
A: With one proton and one neutron in nucleus we get isotope of hydrogen which is called
Q: A uranium nucleus emits an α particle. Assuming charge is conserved, the resulting nucleus must be…
A: When Uranium whose mass number is 238 breaks into smaller nucleus and emitting alpha particle .
Q: After a hydrogen atom absorbs a visible photon which of these may occur? a. electrons jump up…
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Q: 13. Imaginary element Q has an atomic number of 129 and an atomic mass of 345. Complete the nuclear…
A: General equation for alpha decay: XZA →Y z-2A-4 + H24e where, A is mass number. Z is atomic…
Q: 8. The decay products of several isotopes are listed here. Identify the type of radiation emitted…
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Q: Match the nuclei described below with their corresponding isotope names.
A: Number of Nucleons =no. Of proton + no. Of Neutron This is helpful to find the matching isotope.
Q: What is the nuclear equation for C (beta deca а. a. 1C → 14N + ĝe b. 1C N + de -> c. C - 14N + Ge d.…
A: Answer:) option(c)
Q: When a particle of matter meets a particle of antimatter, they a. turn completely into energy.…
A: When a particle of matter meets a particle of antimatter , they
Q: To date the age of the oldest materi als, scientists would normally tum to the radioactivity of a.…
A:
Q: What reaction results in the production of the following? (daughter cell) + (positive lepton charge)…
A: The problem is based on the concept of different types of nuclear reactions. To solve this we have…
Q: What part of the atom has a positive charge? A) Neutron B) Proton C) Electron D) All the above
A: There are three subatomic particles. 1. Protons - positively charged 2. eelectrons - negatively…
Q: True or False does energy need to be absorbed by an atom in order for the atom to increase in its…
A:
Q: 17. The atomic energy level diagram accounts for A. the emission spectra of an atom B. the…
A: Energy level diagram
Q: Which of the following inconsistencies led to the rejection of the solar system model proposed by…
A: The solar system model proposed by Rutherford was neglected because any charge particle orbiting…
Q: 1. Neutral atom always has A) more neutrons than protons. B) more protons than electrons. C) the…
A: Given data: The neutral atom Required: The relationship between number of protons, electrons and…
Q: a) For each of the following nuclear equations, state the atomic number, mass number, and symbol X…
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Q: For which one of the following, Bohr model is not valid?
A: Bohr model is applicable for only single electron species.
Q: If a neutral element has 8 neutrons and 7 electrons, which expression correctly identifies the…
A: Since, the element is neutral; the electron and proton number will be same.The mass number is, (8+7)…
Q: Which of the following statements correctly describes an atom’s energy levels as they are depicted…
A: Which of the following statements correctly describes an atom’s energy levels as they are depicted…
Q: Direction: A. Complete the table below by filling the blanks with the correct value. Mass Number…
A: The problem is based on nuclear physics, To solve the given problem we will define atomic number…
Q: Consider bromine, which occurs as a mixture of two isotopes: bromine-79, with a natural of 50.7% and…
A:
Q: 4. According to Yakawa's theory of nuclear forces, the attractive force between two nucleons has a…
A: The attractive Yukawa Potential is given by: Vr=K e-αrr , K<0, α>0The force is given by,…
Q: Radiation technology in industry is used to coat wood. The rays used for coating wood are .... a.…
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Q: Element X has a half-life of 6 hours. How much of X remains from a 64 kg sample after one day?…
A: Given data The half-life of element X is given as t1/2 = 6 hrs. The original sample of element X is…
Q: Which one of the following diagnostic imaging technique produce images using magnetic field and…
A: Magnetic Resonance Imaging (MRI) is one way for healthcare professionals to look inside human body…
Q: out of the following, which is not emitted by radioactive substance? A. Electrons B. Electromagnetic…
A: The radioactivity is the spontaneous phenomenon by which the alpha particles, or the beta particles…
Q: About how big is an atom? a. too small to measure b. about a millionth of a meter across c.…
A: An atom is a small unit that has subparts like electron proton and neutron. Even thou it is a small…
Q: 6. Find at least 5 elements whose symbols do not match their names 7. What are the two letters not…
A: Elements A substance that cannot be broken down into simpler substances by chemical means. An…
Q: Nuclei with _____ atomic numbers tend to have a greater number of stable isotopes than those with…
A: 1. a. Even, odd 2. b. Kinetic energy to mechanical energy 3. b. Anthracite
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