If a row of approximately 5.0 x 107 atoms measured 1.0 cm, how long would a row of 6.02 × 1023 atoms be?

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: Calculate the mass of 9.80 x 1026 atoms of silver. O 1.76 x 10 g O 1.06 x 1029 g O 5.47 x 1048 g O…

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

Q: What is the name of the element that is in group 5A and period 3? What is the name of the element…

A: A question based on periodicity properties that is to be accomplished.

Q: In Section 1.10, it was stated that 1 mol of sand grains would cover the state of Texas to several…

A: SOLUTION: Step 1: Simple Volume of 1 sand grain = (0.10 mm)3 = 0.001 mm3. 1 mole of sand =…

Q: Which of the following has the smallest diameter?   Human hair   Combustion particles   Fine…

A: Which of the following has the smallest diameter? Answer is given below.

Q: difference between physics and chemistry

A: Physics looks for unifying principles; chemistry often focuses on the particulars. Chemist has an…

Q: A fictitious element only has two naturally occurring isotopes: X and Y. Isotope X has a mass of…

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Q: Take the mass measurement with nitrogen (28 dalton or atomic mass units per molecule) and the mass…

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Q: What is the name of the element that is in group 3A and period 6? What is the name of the element…

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Q: The mass of a single strontium atom is 1.46x10-22 grams. How many strontium atoms would there be in…

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Q: For each of the following elements, write its chemical symbol, locate it in the periodic table, and…

A: (a) Silver  Symbol = Ag Position = 5th period, 11th group It is a metal (b) Helium Symbol = He…

Q: 239 Pu + ¿He → 96 242 Cm + ? 94 (e) °Cm + ºC → 6,n+ ? (f) 98 Cf + ? → 105 Db + 5 in

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Q: 32. In which group do all the elements have similar chemical properties? a) P, S, Cl b) Ag, Cd, Ar…

A: In which set of element have similar chemical properties ?

Q: C The radius of a nickel atom is 125 pm. How many nickel atoms would have to be laid side by side to…

A: We are given : radius of nickel atom (r) = 125 pm distance (d) = 1.11 mm number of nickel atoms (n)…

Q: The radius of a lead atom is 175 pm. How many lead atoms would have to be laid side by side to span…

A: Initially we need to convert Picometer to Millimeter.

Q: 8.8995 x 105 s =

A: Welcome to bartleby ! Introduction :  We have to convert the units .

Q: Calculate the total mass of water in kg on Earth's surface from the following data: total planetary…

A: Given, total planetary surface area = 510066000 km2            total land area = 148647000 km2…

Q: Determine the mass (g) of a sample titanium that has a density of 4.5 x 103 kg/m3 and a volume of…

A: Since density is given by  density = mass / volume  volume given = 38.8 x 1010 cm3  Since 1 m = 100…

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

A: "Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: An atom of rhodium (Rh) has a diameter of about  2.7×10−8cm2.7×10−8cm   If the atom is assumed to…

A: The diameter of the rhodium atom is = 2.7×10-8 cm The volume of rhodium atom in m3 is =?

Q: By one estimate, an electron travels around the nucleus of an atom at a speed of 1.50 x 10^6 m/s.…

A: A) To change m/sec into km/Hr we multipy 18/5 1.5×106×18/5= 5.4×106km/hr

Q: There are 1.699 x 1022 atoms in 1.000 g of chlorine.  Assume that chlorine atoms are spheres of…

A: Number of atoms in 1 g chlorine = 1.699 × 1022 atoms Number of atoms in 0.5 g chlorine = 0.5 × 1.699…

Q: A  penny  weighs  2.507g  and  is  made  of  an alloy which  is  97.6%  zinc  and  2.4%  copper.…

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Q: The volume of a single tungsten atom is 1.07 x 10-23 cm³. What is the volume of a tungsten atom in…

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Q: The radius of a rhodium atom is 134 pm. How many rhodium atoms would have to be laid side by side to…

A: We have to calculate the number of rhodium atoms.

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: Two samples of sodium chloride are decomposed into their constituent elements. One sample produces…

A: Given: Two samples of sodium chloride. One sample gives 6.98 g of sodium and 10.7 g of chlorine.…

Q: The mass of a proton is 1.67 times 10-27kg. What is the mass of a proton in gigagrams?

A: The mass of a proton is 1.67 times 10-27kg. This mass of a proton is to be converted into gigagrams.

Q: A student calculated that the average neutralizing power of their antacid was 102 grams of acid…

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Q: What is the symbol for the element that is in group VIIA(17) and period 3?   What is the symbol…

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Q: When working in the lab, I take the mass of a sample of ammonium (NH3) and I find it to have a mass…

A: The mass of ammonia is = 45.74 g The mass of nitrogen is =? The mass of hydrogen is =?

Q: po, EXEI, UNuvijUEI OWUTU. = 192 g νερό. τάση για εμπέδωση Τι σημαίνει η έκφραση: cυδατικό διάλυμα…

A: 1. 3% aqueous sodium chloride means there is 3g of NaCl in 100g of water.

Q: chemical properties?

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Q: The radius of a barium atom is 217 pm. How many barium atoms would have to be laid side by side to…

A: Given that,radius of barium atom = 217 pm distance between one atom to another = 2.78 mm 1m = 1x1012…

Q: The mass of an unidentified rock is 15.5 grams. Students determine the volume of the rock by placing…

A: Tables -   Rock                 Density Range (g/cm3)  Coal.                    1.1 - 1.4…

Q: Complete the following shorthand notations: ? (p, a) Li P (a, ?) s 242Cm (a, n) ? Mg (?,p) iNa 15 16…

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Q: Following the above question, for 1.50 L of mercury, what is the mass in kg? O 2.03 x 10° kg O 2.03…

A: Given details, The volume of mercury = 1.50 L = 1500 cm3 The density of mercury = 13.534 g/cm3…

Q: B C +1 n=1 D n=2 n=3 n=4 n=5 n=6 O A O B O C O D

A: Use formula from Bohr model to find energy- E = -2.17×10-18[(1/nf)2-(1/ni)2 ] Where nf is the…

Q: Atoms are the smallest spherical particles that make up any matter. If 6.0x1023 atoms of aluminum…

A: Calculation of the mass of 1 atom of aluminium in picograms:

Q: large piece of jewelry has a mass of 132.6 g. A graduated cylinder initially contains 48.6 mL water.…

A: Density ρ is defined as the ratio of mass of the substance to its volume. The cylinder contains a…

Q: ? 239 94 Ри + 96 X + ¿n

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Q: How is the chemical symbol of an element determined? Explain in 200 words.

A: Given : Elements  To find : Chemical symbols Solution : Elements are those Compounds which cannot be…

Q: The mass of a proton is 1.67 × 10-27 kg. What is the mass of a proton in  gigagrams? Giga     G…

A: Given ,  Mass of proton = 1.67 × 10-27 kg = 1.67 × 10-27 × 103 g = 1.67 × 10-24 g [ * 1 kg = 103 g ]…

Q: What is the symbol of the element in Group 4A(14) and Period 2?

A: Given,  Group number of the element = 4A that is 14  And  Period number of the element = 2  What is…

Q: When a 39.71 g rock was placed in a graduated cylinder with 18.62 mL of water, the water level rose…

A: Ratio of mass to volume is termed as density which can be represented by a formula as:…

Q: The radius of a tantalum atom is 142 pm. How many tantalum atoms would have to be laid side by side…

A: The radius of tantalum atom =142 pm=142 x 10-12 m 1 pm = 10-12 m Diameter of tantalum atom =2 x 142…

Q: What is the mass of phosphorus in a 45 kg person? mass of P = %3D TOOLS x10

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Q: 1A 8A H 2A 3A 4A 5A 6A 7A He Li Be B C NOF Ne Na Mg 3B 4B 5B 6B 7B 1B 2B A1 Si PS CI Ar K Ca sc Ti v…

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