Create a timeline using illustrations and text showing elements form with the concept of atomic on how number.

Q: Calculate number of protons, neutrons and electrons present in isotopes of 35Chlorine and…

A: Atomic number = Number of protons Atomic mass  = number of protons + number of neutrons. Number of…

Q: How is the law of multiple proportions different from the law of definite proportions?

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Q: • Part D Based on your answer in Part B, how many neutrons are in this amount of C? Express your…

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Q: Average atomic masses listed by IUPAC are based on a study of experimental results. Bromine has two…

A: Average atomic mass- Naturally occurring element exists as mixture isotopes. Isotopes are with…

Q: Explain law of multiple proportions with an example.

A: The law of multiple proportions is that in the formation of series of compounds from the two…

Q: a given compund always contains the same relative masses of its constituent elements. how is this…

A: A pure substance or compound is composed of two or more type of matter in definite proportion. For…

Q: The Periodic Table of Elements is arranged based on the atomic number. Hence, it is arranged based…

A: General chemistryThe Periodic Table of Elements is arranged based on the atomic number. Hence, it is…

Q: Complete the following table by providing the symbol or formula that is used to represent a sample…

A: The chemical elements are represented by using one or two letters which is defined as chemical…

Q: Answer the questions with the definition and show with a figure where this information is found in…

A: Atomic number : The number of a chemical element in the periodic system, whereby the elements are…

Q: a. A sample contains 2472 atoms of phosphorus atoms. If each atom of phosphorus has 15 protons, what…

A: Given,Number of phosphorus atoms=2472 atomsNumber of protos in one atom of phosphorus=15

Q: Tony stark is trying to make new element, and smashes together an atom of carbon-12 and an atom of…

A: carbon= C612Atomic number = 6Number of protons = 6Number of electrons = 6Mass number  = 12Number of…

Q: Explain how all compounds obey the laws of definite and multiple proportions.

A: All matter can be classified as solid, liquid and gases mainly. In these physical states of matter,…

Q: Summarize what you have learned nodule separate sheet of paper. You can improve the concept map by…

A: Atom is the basic building block of all matters whereas ions are charged atoms or molecules.

Q: Determine the molecular and empirical formulas of the following:(a) the organic solvent benzene,…

A: The molecular formula and the empirical formula have to be given. The chemical symbols for the…

Q: Rust consists of iron(III) oxide and some iron(III) hydroxide.a. What is the symbol of iron(III)…

A: To find: a. What is the symbol of iron(III) ion?b. How many protons and electrons are there in this…

Q: The 02- ion has how many protons and electrons?

A: Neutral oxygen atom atomic number is 8 that means, it has 8 protons and 8 neutrons in the nucleus…

Q: Naturally occurring boron is composed of two isotopes. The percent abundance and the mass of each…

A: 6 (B) ANS: Atomic mass=   % abundant x atomic mass +% abundant x atomic mass /100 Atomic mass=  19.9…

Q: Which elements make up about 99% of the mass of living things?

A: Elements are very important for the maintenance of biological life. For example sodium and potassium…

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: An element has three naturally occurring isotopes. What other information must you know in order to…

A: Natural abundance and mass number of atoms of an element are required for calculation of atomic mass…

Q: Create a timeline using illustrations and text showing on how elements form with the concept of…

A: The  timeline using illustrations and text showing how elements form with the concept of atomic…

Q: An atom has a mass number of 55. Its number of neutrons is the sum of itsatomic number and five. How…

A: A nucleus contains +vely charged protons and electrically neutral neutrons. These particles are…

Q: When an atom has one or more extra ____ it will have a ___ charge

A: An atom has an equal number of electrons and protons. i.e Number of protons= Number of electrons.…

Q: State and explain the law of multiple proportions. How is the law of multiple proportions different…

A: Formation of compounds due to combination of elements is governed using certain laws. These are…

Q: With the concept of amu and isotopes, calculate the mass of CaCO₃. Refer the atomic masses of each…

A: One atomic mass unit is defined as a mass which is exactly equal to the 1/12th the mass of 1 C-12…

Q: Lead has an atomic number of 82. Which statement describes all neutral atoms and ions of lead? O…

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Q: The existence of isotopes violates one of the original ideas of Dalton’s atomic theory. Which one?

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Q: State and explain the law of multiple proportions?

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Q: Atoms differ from ions in number of

A: Atoms are neutral; they contain the same number of protons as electrons. an ion is an electrically…

Q: How many isotopes does this element have?

A: From the graph, it is cleared that the number of isotopes of the unknown element is 5.

Q: An ion has 28 protons, 24 electrons, and 30 neutrons. What is its ionic charge?

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Q: An element has two naturally occuring isotopes. Isotpe 1 has a mass of 120.9038 amu and a relative…

A: Given :  Isotope 1 has a mass of 120.9038 amu and a relative abundance of 57.4% and isotope 2 has a…

Q: There are two isotopes of Beryllium: Be-9 and Be-11. A chemist examines a sample of 250 Beryllium…

A: If A1 , X1 and A2 , X2 are atomic mass and percentage abundance of two isotopes of an element then…

Q: can explain isotope and how to find atomic number and mass

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Q: ne average atomic mass

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Q: Two different compounds containing osmium and oxygen have the following masses of oxygen per gram of…

A: Given, The mass of oxygen per gram of osmium is 0.168 g in compound 1. The mass of oxygen per gram…

Q: Lead has an atomic number of 82. Which statement describes all neutral atoms and ions of lead? O…

A: An atom consist of three particle proton neutron and  electron

Q: State and explain the law of definite proportions.

A: According to the law of definite proportion, the elements always combine with each other in a…

Q: Create a timeline using illustrations and text showing on how elements form with the concept of…

A: Interpretation -  To create a timeline using illustrations and text showing on how elements form…

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: Use what you have just learned about chemical formulas to identify the following as element (atomic…

A: The atoms , molecules, compounds and mixtures are as follows.

Q: & The other form of isotope notation is known a Add Text Here

A: Please find your solution below : The other form of isotope notation is known as nuclear notation.

Q: Why did different drops have different charges? • View Available Hint(s) Because the drops were…

A: To solve this problem we will use the given concept of Millikan Oil drop experiment .

Q: In complete sentence, describe the similarities and differences between: Different isotopes of an…

A: In a complete sentence, describe the similarities and differences between different isotopes of an…

Q: Which of the following is true about subatomic particles?

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Q: which contains more atoms, 1 gram on gold or 1 gram of silver? explain please

A: 1mol of any substance contains 6.023 × 1023  number of atoms. 1mol of any substance means its atomic…

Q: There are two isotopes of Beryllium: Be-9 and Be-11. A chemist examines a sample of 250 Beryllium…

A: We are given average atomic mass and we have to find the number of isotopes present.

Q: Include a brief definition/example for each term. -Matter -Atom -Subatomic particles

A: