b. ö-c=N: c. [1o=c= ö-c=N: d. :0=C=N e.

Q: An atom of rhodium (RhRh) has a diameter of about  2.7×10−8cm2.7×10−8cm. What is the radius of a…

A: The radius of an atom is half of its diameter. 1 Å = 10−8 cm

Q: What is protoscience and pseudoscience? What is atomic theory?

A: Science is the study of nature. It describes the fact that how physical world work. Four main…

Q: The U.S. Mint produces a dollar coin called the American Silver Eagle that is made of nearly pure…

A: The U.S. Mint produces a dollar coin called the American Silver Eagle that is made of nearly pure…

Q: n an old movie, an archeologist is shown sprinting off with a gold statue. If the volume of the…

A:

Q: The radioactive element carbon 14 has a 1/2 life of 5750 years a scientist determined that the bones…

A: let assume the initial concentration of C-14 as Co=100%

Q: Millikan determined the charge on the electron by studyingthe static charges on oil drops falling in…

A:

Q: B) Rb < Mg <F<N< B C) Mg < Rb <F <N< B D) Rb < Mg < B< N < F

A: The order of increasing 1st ionization energy of the following molecules are,

Q: HNO3 NBS H,SO4 light AICI3 Fe HCI

A: Chemical reaction:

Q: Where have you seen elements, atoms, ions, etc in real life? Where did you see them and what were…

A: Elements present in the periodic table can be seen all around us in our day to day life.  Elements…

Q: laanpi he cheinl centrn u RoS %23 H.

A:

Q: 843 nm to m

A: Introduction- Conversion factor from nanometer(nm) to meter(m) is as follows- 1nm = 10-9m 10nm =…

Q: 7 1 5.3Li +1H → 2 He+ O a. He O b. 2, 1H O C. 3 O On d. 4 4Be

A: A radioactive reaction can be balanced by summing up the atomic number and mass number on both sides…

Q: 2/17/2021 Chapter 2 Concept Check on Atoms and Isotopes Chapter 2 Concept Check on Atoms and…

A:

Q: + 2n + 240 96 (a) 235U + in 137 54 92 12. (c) {He + 2§Mo + }H– (b) 232Th + ộn+ 2Cm 6 961 42- 90 100…

A: For balancing of nuclear reaction sum of mass numbers and atomic number must be same on both…

Q: The relative number of atoms of each element in a particular compound a. cannot be determined…

A: Concept is based on empirical formula.

Q: 'wrले लबकेबै (लि मुरकतकी कल् उ.।13 तकe्य ्भी काटोरे निवाण्र (ए Wान्न कन कर लाck्ये इर--8 s8. 698ाm

A: Answer: Given data: Moles of Nickel n=3.13mol Molar mass of Nickel M=58.69g/mol

Q: Part A 1s 25 2p 3s Express your answer as a chemical symbol.

A: The electronic configuration depicts the arrangement of electrons in a molecule. The no. of…

Q: In our modern view of matter and energy, is the law of massconservation still relevant to chemical…

A:

Q: 11. Mrs. Folloso is preparing water in containers to sell in their water station. A. filtration B.…

A:

Q: 1. What did Democritus contribute to our modern understanding of matter

A: ANSERE IS DISCUSSED BELOW :

Q: A student has determined the mass-to-charge ratio for an electron to be 5.64 * 10^-12 kg/C. iN…

A: Charge on a particle and mass of the particle are two physical quantities which are used for…

Q: examples of Ssily the definitions in the introduction. Cr2 O3 + 2Al- 2Cr + Al½O3 CH4 + 202+ CO2 +…

A:

Q: Write the following from largest to smallest size. (Use the appropriate &lt;, =, or &gt; symbol to…

A: Comparing the size of a cation and neutral atom, cation will have smaller size. Since Mg is below Be…

Q: The volume of a single iridium atom is 1.04x10-23 cm³. What is the volume of a iridium atom in…

A: Given: Volume of iridium in cm3 = 1.04 X 10-23 cm3.

Q: CPM eBooks - CCA. Use the periodic table from an alternative universe below to answer the questions…

A: Mass of M=60 grams Mass of MAx3=?

Q: If a 1.00m piece of magnesium has a mass of 1.2500g, what is the mass of 3.48cm?

A: The given mass of the piece of 1.00 metre  of Mg=1.2500g Since ,the 1 metre =100cm Hence, The given…

Q: 32 Which element does X represent in the following expression: X? 15 Enter the chemical symbol of…

A:

Q: Calculate the densHy of Zinc using the atomic masS Gf Zinc and m dimensions of 3.5 x 2.5 x 25mm

A:

Q: This picture represents a a. mixture of elements. b. a compound. Oc chemically bonded elements. O d.…

A: 11. An element is a substance that consists of atoms of same kind.They are the pure form of a…

Q: ! 1 ső: F1 6 Q 5 ОН 3 CH2OH OH 2 ** F2 W #3 ОН 1 2 ОН 80 F3 E $ 4 a F4 R 07 8⁰ % 5 16 T A 6 MacBook…

A: -&gt;An anomeric carbon can be identified as the the carbon bonded as the carbon bonded to the ring…

Q: a) 14N → 14C + 222FF+ b) 226 Ac → 22²Fr + c) 9°y → + -9ß d) 133CS + -iß →_ +y

A: Given : Different type of reactions  To find : missing part in the reactions Solution : As we know…

Q: 25 1dentify which is E or Z 25 deity which ins Er CH,"

A: As per the CIP rules, if high priority groups are on the same side of the C=C then it is named as Z…

Q: (d) 0.15 MCa(CIO3)2 lons: CIO,2- O CIO- CIO2- O Ca2+ O Ca* O CIO3 [cation*] = i M [anion] = i M

A: Cation is a species containing more of protons than electrons. Thus, they possess a positive charge.…

Q: A) S B) Sn C) Sb D) As

A: As we know,in the periodic table,  same group elements show similar properties

Q: o 2}H + 2 }n → He o ŞLi + n+He + {T 41 p + 3D +He 1, 4. 1, o D + {T → He + o 37 1, He + T → He + 20…

A: Since in any reaction, 1) total mass number of the reactants = total mass number of the products  2)…

Q: V sphere %3D 3 Osmium (Os) is a transition metal which has a density of 2.257 x 104 kg/m at 20°C. A…

A:

Q: j. 1630 + 1630 → k. 6228NI + 'on →. I. + *2He → 63 29Cu + °1B

A: The given equations have to be complete,

Q: Carbon-12 contains six protons and six neutrons. The radius of the nucleus is approximately 2.7 fm…

A: SOLUTION: Step 1: 1 fermi meter = 10-15 m 1 picometer = 10-12 m The volume of the nucleus is…

Q: 3235 92U > 234 90TH + 4 2HE2+ (a) -- true False

A: Alpha decay: In alpha decay a radioactive nucleus disintegrates by ejecting an particle. In alpha…

Q: The diameter of a carbon atom is 1.54 A° . (a) Express thisdiameter in picometers. (b) How many…

A: (a)

Q: d) (8 points) The element with one of the highest known densities is Osmium (Os), with a reported…

A: Density of Os = 22610 kg/m3  1 pound = 454 g  Volume of penny = 360 mm3

Q: Explain in 5 to 6 sentences how Hans Christian Oersted explained that magnetic properties of…

A: Interpretation- We have to explain that how Hans Christian Oersted explained that magnetic…

Q: J.J Thomson is credited for discovering the proton (True or False) True False

A: British physicist sir J.J.Thomson was discovered first subatomic particle electron.Electron…

Q: A certain element has a melting point over 700 °C and a density less than 2.00 g/cm*. Give one…

A: Density :-  It is the ratio of mass of a substance to its volume Density (d) = mass/volume   Melting…

Q: Earth’s surface area is 5.10x10^8km², and its crust has amean thickness of 35 km and mean density…

A: Determine the volume of crust and total mass of crust of earth in metric tons using its density.…

Q: Mass of magnesium before is 0.33g Mass of magnesium after is 0.49 g   Identify major sources of…

A: Interpretation -  To explain about how the mass of magnesium is differ too much before weighing…

Q: Is a carbon atom microscopic or macroscopic?

A: Ans

Q: Case #1 Case #2 Jinkies! The Moaning Lisa has been stolen from the Haunted Museum! The crime scene…

A: