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: ypas of atoms are there? That is, approximately how many elements do we know about? Oa An infinite…
A:
Q: Which of water, iron, ammonia, chromium, radon, and silicon are chemical compounds as opposed to…
A: We have to write the chemical compounds as opposed to elements
Q: 6. Who discovered the nucleus of the atom? A. Dalton B. Rutherford C. Millikan D. Thomson
A: Given :- Discovery of nucleus .
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:…
A:
Q: What are the positively charged particles of an atom called? A. ELECTRONS B. ELECTRON CLOUD C.…
A: To determine Positively charged particles of an atom
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: 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: 1. Describe briefly the two conflicting theories of the structure of the atom. d's old ord
A: The objective of the question is to provide a brief description of the two conflicting theories of…
Q: The model of the atom shows a A neutrally charged nucleus surrounded by both protons and electrons.…
A: Atom is a combination of protons, neutrons and electrons
Q: 3. The discovery of the neutron helped people understand A. how two atoms of the same element can…
A:
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: Which nuclide is best represented by Y? 16F → X + 1p then X → Y + e+…
A: 16F → X + 1p then X → Y + e+To find: Which nuclide is best represented by Y?
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: is the amount of -- energy that would be released if the nucleus was formed from * .the separate…
A: To determine: The correct option for the given blanks.
Q: Me et the Elem ents Name: In each box please find and then write the correct element by name. its…
A: Have a look dear
Q: Which one of the following diagnostic imaging technique produce images using magnetic field and…
A: Clinical resonance imaging (MRI) measures the spacial distribution of protons within the…
Q: To date the age of the oldest materi als, scientists would normally tum to the radioactivity of a.…
A:
Q: 4. Actinium-227 emits a beta 5. Th-227 emits an alpha and a gamma 6. Ra-223 emits an alpha
A: Given:Actinium-227Thorium-227Radium-223To Find:Nuclear equation of each
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: 17. The atomic energy level diagram accounts for A. the emission spectra of an atom B. the…
A: Energy level diagram
Q: 16) Explain why proton-electron model for a nucleus was discarded.
A: Variuos models were introduced to explain the nuclear structure and properties. One of them was the…
Q: 7. Cobalt-60 has many medical applications. If the half-life of cobalt-60 is 5.25 years, how long…
A: Half life ( T ) = 5.25 years Initial amount of sample = No Final amount of sample ( N ) = No / 3
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: A nucleus of Plutonium-239 is bombarded with a neutron causing it to produce Xenon-134,…
A: Plutonium-239, produce Xenon-134, Zirconium-103 and 3 neutrons . We want to write the isotopic…
Q: Which subatomic particle is said to be mobile and is involved in movement within a material? a.…
A: In particle physics, an elementary particle or fundamental particle is a subatomic particle with no…
Q: What characteristic of an atom is changing in nuclear reactions? nucleus of an atom O electron size…
A: There are two kinds of reactions, chemical reactions, and nuclear reactions. The given question is…
Q: The smallest particle of any chemical element that can exist by itself and yet retain the qualities…
A: We know that, According to Dalton's atomic theory Matter is indivisible But it was wrong Further…
Q: Radiation technology in industry is used to coat wood. The rays used for coating wood are .... a.…
A:
Q: QUESTION 8 The first atomic model suggested by J.J.Thompson usually is called model. cherry cake O…
A: The first atomic model suggested by J.J Thompson
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: How many neutrons are in the nucleus of the atom 17 9 F
A: Given mass number is 17. Given atomic number is 9.
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…
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