Illustration of how elements are formed
Q: State and explain whether the activity of a given number of atoms of plutonium is affected when they…
A: The radioactive decay is a nuclear process, and chemical bonding is an atomic process. It means, the…
Q: Why are heavier elements not much larger than lighter elements?
A: The heavier elements are not much larger because of the greater electrical attraction by the greater…
Q: Why is energy required to remove an electron from an atom? explain using your ideas of forces and…
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Q: Which is as an element, compound, homogeneous mixture, or heterogeneous mixture? a salad with…
A: Hetrogeneous mixture contains different constituents which do not lose their identity when mixed and…
Q: Consider these atoms: (a) fluorine, F; (b) phosphorus, P; (c) neon, Ne. Rank them, from smallest to…
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Q: Describe the process taking place within an atom that leads to the emission of light.
A: Atom consists of electrons revolving around the nucleus in different shells when they are stable…
Q: Explain the mechanism of nature on how other elements higher than Iron is being formed.
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Q: Give the ion notation for an atom with 15 protons and 18 electrons.
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Q: Explain what makes the elements different from each other. Why is gold different than carbon?
A: Different elements have different properties ( physical and chemical ). In physical properties,…
Q: Which element has the lightest atoms?
A: The element that has the lightest atoms is hydrogen.
Q: PROBLEM: Which electrostatic forces hold atoms together in a molecule? A
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Q: A neutral atom of the element potassium (K) has A 19 protons. B. 20 neutrons. C. 39 electrons. 58…
A: No.of protons in an atom is determined by atomic number of that atom .
Q: The half-life of 20 kg of Bismuth -210 is 20 minutes. Explain this statement?
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Q: Give the ion notation for sulfur with 18 electrons
A: Given: The ion of sulphur has 18 electrons. The atomic number of sulphur is 16, which means that…
Q: If you have a sample of an element, it is made of atoms that all have the same number of which type…
A: To identify : The atoms in a sample of an element have the same number of which type of particlesin…
Q: Size and Mass of a Hydrogen Atom
A: The mass of an atom shows how closely the constituents are packed in a given volume, whereas size…
Q: Which characteristic tells you an element is likely a non-metal? Has a shiny/metallic luster Not a…
A: Which characteristic tells you an element is likely a non-metal .The non-metals are elements on the…
Q: Which of the following diagrams best represents the size of the atomic nucleus relative to the size…
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Q: Explain a couple of differences between the model of an atom with the nucleus sitting in the center…
A: Atom consists of nucleus sorrounded with electron's
Q: Element symbol Mg Protons 10 Neutrons 12 Electrons 11 Mass number 24 23 00
A: A table with some missing values is given Let's find those missing values
Q: Thorium and radium used to be put in face creams back in the 1900s. Why is this no longer done?
A: Thorium and Radium are radioactive elements.It pose as a great health hazard.It has a lot of harmful…
Q: Give the ion notation for an atom with 20 protons and 18 electrons
A: Introduction: Ion is defined as an atom that does not have an equal amount of electrons and protons.…
Q: Which of the following are pure elements: H2, H2O, He, Na, NaCl, H24, U?
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Q: Fill in the nine gaps in this table. Element symbol Be Protons 6 Neutrons 8…
A: Beryllium is denoted as Be. Carbon is denoted as C. Sodium is denoted as Na.
Q: Fill out the table below. Atomic Mass Number of Number of Name Symbol Charge number Number neutrons…
A: The atomic symbol is of the form XZA, where X is the symbolic representation of the element, A is…
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: The value of atomic mass unit is equivalent to 9.36 x 10-27 kg 1.66 x 10-32 kg 1.66 x 10-24 ka 1.66…
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Q: Add Text Here! Add Text Here! 4. An alkali metal in period 4. 5. The most abundant element in air.…
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Q: The atom in its natural state is electrically negative charged. True or false, justify your answer
A: The atom in its natural state is electrically negative charged. False statement. The positive…
Q: Which element's isotope is often used to treat cancer patients?
A: The correct option is cobalt Cobalt therapy or cobalt -60 therapy is the medical use of gamma rays…
Q: dels of four different atoms. Use following questions: = protons O = neutrons Which atom has the…
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Q: Direction: Read then solve the question carefully. Click the letter of the correct answer. Question:…
A: To find Orbitals Electrons in 93Nb
Q: 10 Oxygen has atomic number 8. How many times must an oxygen atom be ionized to create an 0+5 ion,…
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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: What isotopes of hydrogen fuse best at “moderate” temperatures?
A: Hydrogen, deuterium, and tritium are the three isotopes of element hydrogen. Number of proton are…
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?
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Q: Data and Observations Change or Reaction Burning wood or paper Chemical or physical change? How do…
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Q: when an atom loses an electron it becomes: A) neutron B) negative ion C) positive ion D) none of the…
A: An atom is electrically neutral that means the number of electrons in the atom is equal to the…
Q: What happens to the properties of elements across any period of the periodic table? Question 3…
A: The properties of the elements gradually change across any period of the periodic table…
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