Hydrophilic or Hydrophobic? 1: Ionic or 2: Polar or Positive Atoms end? non-polar covalent bond? covalent bond? Tonic Palar K Hydrophilic K and Cl Covalent Non Polar C and C O and P H Hydrachilic N and H Kovalent Polar Ksvalent Polar Covalent Non C and O H and C THydrophilic

Q: What is the mass of 4.89 x 1021 platinum atoms?

A: Mass of 6.0221 x 10^23 platinum atoms is 195.08g Mass of 4.89 x 10^21 platinum atoms is(m) ____g

Q: 23. A chemist walks into his laboratory and finds that his assistant has reorganized his chemical…

A: The periodic table consists of a table series from the element with the least atomic number,…

Q: Should the elemental symbol for lead be written as Pb or PB? What confusion could arise if the wrong…

A: Elemental symbol for lead is Pb and it should be Pb .

Q: A new element named catsium is added to the periodic chart. One of the numbers written below the…

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Q: Fill in the blanks below with a maximum of two words in each space to complete the following…

A: According to Bronsted- Lowry Acid ,acid is substance that donates H+ ion or proton  to form it's…

Q: State the number of protons in Ni^2+ Express your answer as an integer.   State the number of…

A: Atomic number (Z) :-  The number of protons present inside the nucleus of an atom is called atomic…

Q: Diagram and label the hydrogen bond between two molecules of ammonia, NH3.

A: The hydrogen bond between two molecules of ammonia has to be drawn,

Q: Calculate the density for Zinc Using the atomic mass of Zinc and dimensions of 3.5mmx 2.5mm x 2.5mm

A: Given  Dimension =  3.5 mm × 2.5 mm × 2.5 mm Density = ?

Q: 26 1 0 14.12Mg+On → le+. O26 11 Na O 27 13 Al 27 11 Na O O 27 12Mg

A: The Correct Answer is Option C Na [ Mass Number- 27 & Atomic Number - 11]

Q: X Select the 4 properties of metals * Hard Conducts electricity Smells bad Does NOT conduct heat…

A: Metals are those substances which usually lose there valence electrons to form compounds.

Q: Which of the following is a relative dating method technique? Group of answer choices Carbon-14 K/Ar…

A: Relative dating is determining whether an object or event or is older or younger than other objects…

Q: My dear hero expert please don't upload any image just give me the answer with proper explanation

A: For 1st compund : IUPAC name : There are 1 methyl group in 2nd carbon and propyl group in 3 carbon…

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A: A question based on properties of a gas that is to be accomplished.

Q: b) Alpha iron (a-iron) is BCC crystal structure and has atomic weight of 55.85 g/mol and density of…

A: We know that : d = nM/(a^3*N)  Or, a^3 = (nM/dN) ....(1)  Here, n = 2, M = 55.85 gm/mol, d = 7.87…

Q: Activity 1 1. A sample of compound A (a clear, colorless gas) is analyzed and found to contain 4.27…

A: Below attached file showing the details answer. All the best.

Q: Brønsted-Lowry Acid w

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Q: -23 An oxygen atom has a mass of 2.66 x 10 g and a glass of water has a mass of 0.050 kg. Use this…

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Q: g and a small airplane has a mass of 5000. kg. An aluminum atom has a mass of 4.48 × 10 Use this…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: Question 2 Is fluorine a metal or a nonmetal? How many valence electrons does a fluorine atom have?…

A: Metal - donate electron to form positive charge Non mental - accept electron to form negative charge…

Q: A Ca(OH)2 tablet has 360 grams of Calcium. What is the mass of tablet in milligrams? My Ca=40.078…

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Q: Can you identify to which Minutiae each lines it point to?

A: 1Ridge2Island3Bifurcation4Delta5Core (Whorl)6Bifurcation7Independent…

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A: The solubility of any two solutions depends upon their nature that they are the same or different.…

Q: 1. Naturally occurring copper has two isotopes with relative atomic masses 62.9 3 and 64.928. if the…

A: The question is based on the concept of isotopic abundance. we have been given average atomic mass…

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A: Given : weight of wire = 0.535 g  And length of wire = 7.4 mm = 0.74 cm…

Q: What is the name of the alkali metal that is in period 3? What is the name of the halogen that is in…

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A: Since you have posted multiple subparts in a question so we are answering first 3 subparts of your…

Q: 10. A sample of chemical X is found to contain 5.0 grams of oxygen, 10.0 grams of carbon, and 20.0…

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Q: Should the elemental symbol for lead be written as Pb or PB? What confusion could arise if the wrong…

A: Atom is made up of nucleus (proton and neutrons) and electrons are revolving around it.

Q: how did you know what each "fragment" was in the table? and how did you know how to put it together?

A: We have to explain how wu get the fragments.

Q: Should the elemental symbol for lead be written as Pb or PB? What confusion could arise if the wrong…

A: We know that, Lead is an element with the  atomic number 82 and its symbol is Pb . It is a metal and…

Q: Part A Na Na + Express your answer as a particle or a chemical formula. ΑΣφ ? OA chemical reaction…

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Q: Mass of evaporating dish #1 and original sample (9) 39.0119 0.848

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Q: Classify each micronutrient in Figure 2.2as a metal, nonmetal, or metalloid.

A: An atom can be considered as the smallest unit of any matter. An atom is composed of certain…

Q: Ink

A: Iodine

Q: Show all your work on a sheet of paper to solve the following problem. Full credit is based upon the…

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Q: Draw the condensed structural formulas of stearic acid and oleic acid.

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Q: v. Complete the predicted observations using 'bubbles', 'no rxn' or the name of the ppt: sodium…

A: The above reactions given suggests the reaction of salts. The balanced equation are given below.

Q: What unit is used to measure weighted average atomic mass? angstrom amu O gram nanogram O milligram

A: Weight average mass basically represent the atomic mass of a element or atom.

Q: help please answer in text form with proper workings and explanation for each and every part and…

A: Introduction:RULES FOR SIGNIFICANT FIGURES 1. All non-zero numbers ARE significant. The number 33.2…

Q: 10 Which of the following sets, are all compounds? a) Water, Salt, Ammonium nitrate b) Carbon…

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Q: Which of the following statements are false for the time-of-flight mass spectrometer ? Light…

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Q: In this station, you will find an empty box that contains air. The density of air is 1.19 g/L. It is…

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Q: (02), and sulfur dioxide (SO₂) gases. Which of these balloons are filled with pure elements? He SO₂…

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A: Since you have posted multiple questions and not specified which one to solve, we will solve the…

Q: Question 20 Which of the following applies to Mass Spectrometry? Can be performed at atmospheric…

A: SOLUTION : – Fragmentation is common for some ionization methods, and yet can be avoided using other…

Q: Draw the Lewis structure created by the curved arrow. Write in formal charges wherever they are not…

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