Decide which element probably forms a compound with chlorine that has a chemical formula most and least similar to the chemical formula of the compound formed by chlorine and aluminum.         Comparing chemical formula of compound formed with chlorine:             carbon thallium rubidium sodium     most similar to aluminum                     least similar to aluminum

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: (1) Either 2 + 2 is 0 or gold has atomic number 79; (2) 2 + 2 is not 0; thus, (3) gold has atomic…

A: The Good argument3)Gold has atomic number 79which is good argument1) & (2) are not good…

Q: Chlorine is a halogen (Table 2.3). Locate this element in the periodic table.(a) What is its…

A: Chlorine is a halogen. Chlorine is the second halogen in the periodic table. It lies before the…

Q: Select all that apply. Using your periodic table of the elements which chemical symbols indicate an…

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Q: Using all of the rules you determined during the 'Building an Atom' practical, figure out whether…

A: An atom is composed of nucleus, containing protons and neutrons, and electrons present around the…

Q: Back on planet Earth, elements have different isotopic distributions. The atom Chlorine ( Cl ) has…

A: Given isotopic Atomic mass of  Cl -35  = 34.968853 amu Isotopic atomic mass of Cl-37    = 36.965903…

Q: Use triangles to represent atoms of element A and circles to represent atoms of element B. Draw an…

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Q: The "cards" are separated top to bottom by color. What are the common characteristics of the cards…

A: Sepration of cards on the basis of color means  they will have same type of physical  and chemical…

Q: Complete the table below, using the diagram of an atom shown at right. A Properties of subatomic…

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Q: Question #3. Atomic Mass (Atomic Weight) A hypothetical element consists of three isotopes. The…

A: Given data is: ISOTOPIC MASS (amu) ABUNDANCE(%) 71.004 38.15 73.992 18.36 70.010   First…

Q: Decide which element probably forms a compound with oxygen that has a chemical formula most and…

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Q: Fluorine (F) has atomic #9. Neon (Ne) has atomic #10. Which statement accurately compares the…

A: The reactivity of an element depend on its electronic configuration. A stable electronic…

Q: 1. To convert 20g of ice at -5oC to 120oC to steam you need __________ cal of energy? Assume…

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: potassium and sulfur Express your answers as ions and chemical formula separated by a commas.…

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Q: ne element carbon has two naturally occurring isotopes. The isotopic masses and abundances of these…

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Q: Using the periodic table, identify the name and symbol of the three neutral atoms given their atomic…

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Q: What is the average atomic mass of an element that has 3 isotopes with the data below? Isotope…

A: Average atomic mass calculation is explained below.

Q: Part A Given the following: x, X, X, and X. Which are isotopes of each other? x. X. x. and 2x are…

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Q: 12)Which of the following is an ionic compound?   Select one: A. Carbon dioxide B. Barium oxide C.…

A: Ionic compound if formed by transfer of electrons between two atoms.

Q: Using the periodic table, identify the name and symbol of the three neutral atoms given their atomic…

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Q: Use a periodic table to complete the following. Atomic Name Symbol Number aluminum 16 Cr silicon Mn…

A: 1) Aluminium : The atomic number of aluminium = 13  The symbol of aluminium is Al.

Q: Which of the following scientists had similarities in their atomic model, but lived thousands of…

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Q: A 0.383 g sample of an element contains 1.943 × 10 21  atoms. What is the element symbol

A: Given, amount of sample =0.383 gnumber of atoms of the sample =1.943×1021 atomswe are asked to…

Q: Based on the information in the table, Sample 3 would likely be classified as a(n) —    alkali…

A: Alkali metals , valance band conduction band overlap on each other . Thus free electrons  can easily…

Q: Decide which element probably forms a compound with hydrogen that has a chemical formula most and…

A: Here most likely compound means its formula that means valency will be same with selenium and the…

Q: The Atomic Structure and Interatomic Bonding What is the difference between atomic mass and atomic…

A: 1 atom has isotopes that occur naturally.

Q: Based on the information gathered from the periodic table seen in Figure 2-H, Magnesium will most…

A: 1) magnesium has an atomic number of 12 which means that it has 12 electrons and 2 electrons in the…

Q: Here is a list of statements. Put a check mark for the accurate ones and the necessary corrections…

A: Matters are the particles which consists mass and volume. Matter is not able to be seen by naked…

Q: Decide which element probably forms a compound with hydrogen that has a chemical formula most and…

A: The halogen element fluorine forms hydrogen fluoride (HF) compound with hydrogen.  Fluorine is the…

Q: In the table below, there are descriptions of an experiment on samples of three different chemical…

A: Properties of metal  •  Lustrous  • High melting point and boiling point.  • Malleable - They can be…

Q: An element, X, has the following isotopic composition: X-200, 90%; X-199, 8.0%; and X-202, 2.0%. Its…

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Q: Which of the following statements must be true for the following equation to apply?…

A: The given equation is an expression for the energy of stationary state of electron which was given…

Q: element is 5 X 24 Which a chromium b) germanium iron D) barium

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Q: Pb has an average atomic mass of 207.19 amu. The three major isotopes of Pb are Pb-206 (205.98 amu);…

A: In order to calculate the percent abundance of the isotopes we have to make use of average masses of…

Q: Element Q has only two isotopes. "Q has a mass of 78.918 amu and a percent abundance of 20.59%. The…

A: The given element has two isotopes, 79Q has a mass of 78.9118 amu and a percent abundance of 20.59…

Q: The nucleus of an atom:   Group of answer choices: a)  occupies a relatively very small volume of…

A: In this question, we will discuss about Nucleus of an atom.  You can see details explanation below.

Q: Comple.. e table below, using the diagram of an atom shown at right. Properties of subatomic…

A: electron present in the outer shell of atom(location=B), it has negative charge with symbol e-1.…

Q: Timmy: Titanium has an atomic number of 22, which means it has 22 protons.  The average mass is…

A: For Titanium  atomic number = 22 number of protons = 22 average mass number =number of protons…

Q: Complete the table below, using the diagram of an atom shown at right. Properties of subatomic…

A: Protons, neutrons and electrons are subatomic particles of atom. Protons and neutrons are present…

Q: elements which normally exist as diatomic molecules?

A: Only elements which normally exist as diatomic molecules can be identified as Generally halogens…

Q: Using the Periodic Table, give the name and symbol of the noble gas that is in Period 6.

A: Noble gases : Noble gases have completely filled outermost shell .They are generally unreactive or…

Q: Calculate the average atomic mass of Ga. Naturally, occurring Ga is composed of 60.0% 69 Ga, that…

A: Given: Atomic mass of 69-Ga is 68.911. Atomic mass of 71-Ga is 70.931. Percentage of 69-Ga is 60.0…

Q: Decide which element probably forms a compound with hydrogen that has a chemical formula most and…

A: Answer  Match the element of fluorine with other elements

Q: Many hospitals use radioisotopes for diagnosis and treatment or in palliative care three…

A: 1. Iodine-131 decay: Iodine-131 has half life period of 8.06 days and it undergoes beta minus decay…

Q: as Question 47 EEU Consider the diisotopic element represented below. element? O forms colored…

A: these given Element is K ( we are saying this on the basis of their atomic masses given in the…

Q: Consider the element Work (Wr) with an atomic number of 33 and an atomic mass of 81.03 g/mol. The…

A: For work :-  Atomic number = 33  So,  Number of electrons = 33  Number of protons = 33  Mass number…

Q: A student is studying the ways different elements are similar to one another. Diagrams of atoms from…

A: Same group atoms have same no of valence electrons.

Q: Decide which element probably forms a compound with hydrogen that has a chemical formula most and…

A: Nitrogen and phosphorus both belongs to group 15 so the most similar will be nitrogen. Both have…

Q: True or False. Write “T” if the statement is true and “F” if the statement is false.  Since H…

A: Hydrogen is group 1 element and it has more tendency to lose one electron and form cation H+. I…

Q: Decide which element probably forms a compound with hydrogen that has a chemical formula most and…

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