The Periodic Table of Elements is arranged based on the atomic number. Hence, it is arranged based on the number of ________.
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Q: List some examples of how elements were named
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Q: 35. What is the total number of electrons in a phosphorus ion?
A: The phosphorous atom symbol is P which has the atomic number 15.
Q: How many electrons can have n = 50, l = 2. [Write your answer as a number.]
A: The main quantum number "n" is 50 and the azimuthal quantum number is "2". We know that the main…
Q: How many electrons can have n = 50, l = 2. [Write your answer as a number.
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Q: For questions 42 thru 60, consult the attached Periodic Table of the Elements. Please do NOT Google…
A: Valence shell The outer most shell of an atom is called valence shell. The electron shells are…
Q: Where on the periodic table are the most nonmetallic elements found?
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Q: As we look around space we find that most of it is composed of (4)_ hydrogen combines with carbon it…
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Q: What is the relationship between atoms, compounds, and elements?
A: Atoms are the constituents of any element Elements are the most basic materials that can not be…
Q: How idea of atoms along with the idea of elements evolved?
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Q: The firs 20 Periodic table elements description.
A: The first 20 Periodic table elements, atomic numbers and symbols are given below,
Q: 34. Barium Carbonate (s) Barium Oxide (s) + Carbon Dioxide lg) a&b: C: d:
A: Answer:- this question is answered by using the simple concept of writing the balanced chemical…
Q: All the chemical elements may be derived from which single element?
A: All the chemical elements may be derived from one single element. That has to be given below.
Q: Complete the following information. If necessary, use the periodic table. Nuclear symbol = Charge =…
A: Number of protons in an atom serves as identity of an element. number of protons in the nucleus is…
Q: A jewelry company has announced that they have created gold from reacting copper and carbon in a…
A: Dalton is the name of the scientist who gave Dalton's atomic theory.
Q: Describe the relationships among matter, atoms, and molecules.
A: To describe: Relationships among matter, atoms, and molecules.
Q: 17. For each of the following chemical formulas with + signs between them, write the chemical symbol…
A: We have to find no. Of atoms
Q: Compare the amount of copper predicted in part A with the amount measured in part B. What percentage…
A: Predicted copper amount=0.9918 Actual amount of copper produced= 0.72
Q: What is the Law of Multiple of Proportions?
A: Law of Multiple Proportions ----- When two elements react to form two or more compounds, than the…
Q: The Periodic Table: 1. Where can you find the atomic number on an element on the periodic table?
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Q: Most substances are composed of _________ rather than elemental substances
A: Element: A substance that cannot be broken down into simpler substances by chemical or physical…
Q: Table 1. Mass # # protons (9.) # neutrons # electrons Symbol 55 (10.) (11.) Co 40 19 (12.) (13.)…
A: Given, Mass of three atoms are provided Required, Number of protons ,…
Q: Where Did Elements Come From?
A: Elements:
Q: Let a triangle represent atoms of element A and a circle represent atoms of element B. a. Draw an…
A: HOMOGENEOUS MIXTURE: A mixture which cannot be isolated by physical means is known as a homogeneous…
Q: 26. Elements at Room Temperature Make a bar graph of the representative elements that shows how many…
A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: On a mission to a newly discovered planet, an astronaut finds gallium abundances of 60.11 % for 69Ga…
A: The mentioned atomic mass is the average atomic mass of gallium. The equation for calculating the…
Q: Explain about the Indivisible: The Atomic Theory
A: The “indivisible: the atomic theory” was proposed and put forward by English chemist Dalton.…
Q: Lithium has two isotopes: lithium-6 with an atomic mass of 6.0151 amu (atomic mass unit) and…
A: It is given that the Lithium has only two isotopes, so the sum of total relative abundance is taken…
Q: In the dot diagram seen below which element could be represented by the letter X
A: In the given image, dots represent electrons.
Q: Back on planet Earth, elements have different isotopic distributions. The atom Chlorine ( Cl ) has…
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Q: True or False -Atomic theory doesn't need to be taken seriously because it's just a theory ....
A: Given statement is, Atomic theory doesn't need to be taken seriously because it's just a theory
Q: Write names of any 4 elements for each type mentioned in the table 3 given below.
A: The solution is given below -
Q: What do you look at on the periodic table to determine the number of protons of a element
A: The atomic number of an element tells the number of electrons in it. An element in its neutral state…
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Q: Magnesium constitutes about 2% of Earth’s crust and has three naturally occurring isotopes. Suppose…
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Q: Create a timeline using illustrations and text showing elements form with the concept of atomic on…
A: Modern periodic table based on Mendeleev's periodic table is based on the arrangement of elements…
Q: Argon has three common isotopes, with the masses and isotopic abundances shown below: Argon-36 --->…
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Q: An element has the following natural abundances and isotopic masses: 78.99% abundance with 23.985…
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Q: What is atomicity
A: Atomicity is a term which is used to represent the number of atoms present in any molecule or…
Q: On a mission to a newly discovered planet, an astronaut finds gallium abundances of 60.11 % for 69…
A: Average atomic mass =((percentage of abundance isotope 1 x molecular mass of of isotope 1…
Q: When the elements are arranged in order of increasing mass, certain sets of properties recur…
A: In Dmitri Mendeleev and Lothar Meyer periodic table, the elements are arranged in order of…
Q: What is the name and symbol of the element?
A: Atomic number = number of protons Mass number = number of protons + number of neutrons
Q: . Investigate the history of the discovery of chemical elements. What was the most recent element to…
A: History of the discovery of chemical elements: The discovery of the 118 chemical elements known to…
Q: State the law of definite proportions.
A: Law of definite proportion states that in a given compound elements are combined in a fixed ratio by…
Q: Part A According to the Atomic Theory, all matter is made up of tiny particles called electrons. a…
A: According to the atomic theory all substance are composed of atoms. The elements are formed by one…
Q: protons and electrons
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Q: A compound contains 43.84 % carbon atoms, 3.65 % hydrogen atoms, and 8.68 % fluorine atoms by mass.…
A: Given : Mass percent of C = 43.84 % Mass percent of H = 3.65 % Mass percent of F = 8.68 % Assuming…
Q: Is this impossible to have element or not? n = 7 ; l = 6 ; m = 5 ; s = - 1/2
A: An electron has wavefunction which is an address
Q: Element: Magnesium Number of Number of Abundance Abundance Name of isotope Mass (amu) Protons…
A: Since you have posted multiple questions with multiple sub-parts, we are entitled to answer the…
Q: State and explain the law of multiple proportions?
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