1. Please write the names of these objects. | |

Q: (1) How many protons, neutrons, and electrons are in C ? 16 (2) How many protons and electrons are…

A: An atom basically consists of proton, neutrons and electrons. The protons and neutrons are present…

Q: What does "X" represent in the following symbol? 28 14 X O silicon sulfur O nickel O nitrogen

A: "X” represent in the 28X14 symbol = ?

Q: OMg +o -> MgO Mg = Mg = %3D %3D 0 = %3D %3D

A: Complete the reaction by using coefficient---

Q: 1. Provide the name for the following compounds. CI F "CI (a) (b) (c) Br (d) (e) (f)

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Q: What are the name of compounds in the images?

A:

Q: Describe the 5IF law of multiple proportions?

A: I can't understand the term 51F what it is given.  Law of multiple proportions, also known as Dalton…

Q: (2.3) Which of the following pairs shows the law of multiple proportions? O All of these O C3H7Cl…

A: Given,  Which of the following pairs shows the law of multiple proportions.

Q: n= 3, me = –2 Express your answer as an integer. ΑΣφ Number of electrons =

A: The value of principal quantum number (n) is 3 and magnetic quantum number (ml) = -2.

Q: . How many protons, neutrons, and electrons are there, respectively, in 69Se2- ?

A: Given    Element = Se   Number of proton , Neutron , electron  = ?

Q: 2 of 2 Explain why the atomic mass of an atom is a decimal number and how that value was determined…

A: In periodic table generally atomic masses are in decimal form because we know that almost for every…

Q: Write the number of protons, electrons and neutrons in Mn in the 57 25 appropriate blank below p* e…

A:

Q: 96. Plutonium-239 is used in nuclear bombs. Determine the number of protons and neutrons in…

A: The atomic number of an element represent the number of protons present in the nucleus of that atom.…

Q: An ion found in some compounds used as antiperspirants contains 13 protons and 10 electrons. What is…

A:

Q: 1. Models come in many forms including physical, 2-dimensional, conceptual, computer, and…

A: Given: Two dimensional models, conceptual, computer and mathematical models To find: scientist use…

Q: What is the symbol of an ion with 16 protons, 18 neutrons, and 18 electrons? What is the symbol for…

A: 16proton 18neutron 18electron ion is  This is a Isotope of Sulphu which has mass of 34 and ion is…

Q: Write the name of each of the following substances: (W (a) (HCOO)2Ni-½H2O (b) Zn(SCN)2 (c) Ag2CrO4…

A: Note: Since you have posted multiple independent questions in the same request, we will solve the…

Q: 1. Please name the following compounds

A: As per rules, only the first question can be answered.

Q: Isotope #3 • Element Symbol Ag • Nuclear Symbol Ag 81 35 • Atomic Number 35 • Mass Number 81 •…

A: The atomic number of an atom is the number of protons present in the atom. For a neutral atom, the…

Q: an ion that has 55 protons and 54 electrons is ....

A:

Q: 1. What is an isotope? 2. What does the number next to isotopes signify? 3. How can you tell…

A: All the physical and chemical properties of a an element depends on its atomic number , the total…

Q: How many protons are in an ion with 1010 electrons and a −1 charge? number of protons:     How many…

A:

Q: Be sure your answers have the correct number of significant digits. mass natural isotope Ox10 (amu)…

A: The average atomic mass of element is equal to the product of the masses of the isotope and its…

Q: What is the symbol in the image below? I. 37 CI 17 lon Isotope Neutral Atom

A:

Q: Mg + O2 -> MgO Mg = Mg = %D O = %3D

A:

Q: 4. Which pair could be used to demonstrate the law of multiple proportions? O A. CuCl2 and CuCl O B.…

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

Q: 1. State the law of definite proportions (or the law of constant composition). Consult your lecture…

A: Since we only answer one question at a time, we’ll answer the first one. Please resubmit the…

Q: 1) What are the name of the following compounds? 父 Br a) b) ÓH a) b)

A: a) Given: First identify the longest carbon chain with keeping in mind that higher priority…

Q: Fill in the gaps in the following table, assuming each columnrepresents a neutral atom.

A: Atomic Number of an element (Z) =total number of proton present in the nucleus…

Q: 2- Give an example of two different elements from periodic table which have different isotopes and…

A: An isotope is a variation of an element that possesses the same atomic number but a different mass…

Q: 2. Name the following compounds. b) d) HC HC CH

A: We have been asked to name the following compounds on the basis of IUPAC nomenclature.

Q: Complete the following shorthand notations: ? (p, a) §Li 15 31P (a, ? ) 34S 16 242Cm (a, n) ? 96 25…

A:

Q: How many protons and electrons are there in a neutral atom of each of the following elements?

A: Number of protons in a neutral atom is equal to its atomic number. Number of electrons in a neutral…

Q: 1. Nitrogen and oxygen elements can form NO and N,0 compounds. A total of 14 grams of elemental…

A: We have to verify the given law.

Q: Give the number of protons (p), neutrons (n), and electrons (e) in a) 15N3- b) 40Ca2+ SNER

A: Protons are positively charged particles. Electrons are negatively charged particles. Neutrons are…

Q: What is the most proper name of the compound shown here?

A:

Q: How many cm3 are there in 2.11yd3?

A: One cubic yard is equal to 764554.858 cubic centimeters.  In order to convert cubic yard to cubic…

Q: Which of the following has 35 protons, 45 neutrons, and 35 electrons? Please look up the atomic…

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Q: Name the following compounds

A: Since you have posted questions with multiple sub parts, we will solve only first three sub parts…

Q: Write the molecular and structural formulas for the compounds represented by the following molecular…

A: Here we have to write the molecular and structural formula of above model system molecules-

Q: How many protons and electrons are in S2-? protons? electrons?

A: S-2 ion has charge 2No of protons = atomic no of SulphurAtomic no = Sulphur = 16Hence protons = 16No…

Q: شاہد i) j) لا 1) ix II *** رو له s) سعد t)

A: The Name of compound is done using IUPAC rules .

Q: How many protons and electrons are there in the calcium ion

A: Calcium is an element of group 2. The symbol of calcium is Ca. The atomic number of calcium is 20.…

Q: How many protons, neutrons, and electrons does 79se2-  ion?

A: Se or selenium comes under carbon family. Selenium is a metalloid(an element intermediate in…

Q: Fill in the blank: What is the name for the compound given below? HS

A: Thiol compounds are named just like alcohols, using a suffix "thiol". Given compound is…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.