Polonium, the Period 6 member of Group 6A(16), is a rare radioactive metal that is the only element with a crystal structure based on the simple cubic unit cell. If its density is 9.142 g/cm³,calculate an approximate atomic radius for polonium.

Q: Given the following information, calculate the density of the following solutions.   Solution…

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Q: A hollow square metal tube has a measurement of 2.08 in for each side and a weight of 64.4 g. The…

A: Let the length of the tube be L cm. We will use this to find the volume of the metal in the pipe.…

Q: An artifact is dug out of the ground on a Greek Island and the archeologists want to determine the…

A: Given : Measure of three sides of artifact is Side 1, S1 = 1.2mm = 0.0012m Side 2, S2 = 2.7mm =…

Q: 4. A certain solid spherical metal has a radius of (2.35 ± 0.05) cm. It has an associated mass of…

A: The mass per unit volume is defined a density.

Q: An unknown metal solid with a mass of 13.975g is placed in 15.00 mL of water. The solid sinks to the…

A: Given: VL=1.92 mL=1.92 cm3ms=13.975 g

Q: What is the density on the following graph? Density of Iron 30 25 20 15 10 0.0 0.5 1.0 1.5 2.0 2.5…

A: We Know that density, mass and volume are related as shown below. So, we have values of mass end…

Q: The data in the following table represent measurements of the masses and dimensions of solid…

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

Q: The element neptunium has a density of 19.6 g/ml. What is the radius of a sphere of this material if…

A: Given, density of neptunium , ρ = 19.6g/mL =19600 kg/m3 Mass , m = 70 kg We know that , density =…

Q: 1) Convert 102 cm² to m² (answer not given) 2) Convert 1.027 g/mL to kg/m³ (answer not given)

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Q: How do you determine the percentage error of a zinc rod when the experiment density is 0.0071g/cm^3…

A:

Q: if the density of air is 1.25 x 10^-3 g/cc, what is the mass in kilograms of the air in a room that…

A: Given data:  Density of air (ρ) = 1.25 × 10-3 g/cm3 Length (l) = 5.3 m Width (b) = 4.2 m Height (h)…

Q: In the figure below, the actual mass of a piece of an alloy is 85 g (mass in air) and an apparent…

A: Density of water dw = 103 kg/m3 Let density is dm M = 85×10-3 kg = Vdm  Volumr  (V) = 85×10-3/dm

Q: Grains of fine California beach sand are approximately spheres with an average radius of 70 μ m and…

A: Volume V = 1 m3Mass m = 2600 kgDensity of silicon dioxide ρ = m / V= 2600 kg / m 3Radius of sane r =…

Q: Two student measure the density of an unknown metal three times each Below the data Student1…

A:

Q: Zirconium has an HCP crystal structure and density of 6.51 g/cm³, what is the volume of its unit…

A: Given, Zirconim has an HCP crystal structure and density of ρ = 6.51 gcm3

Q: Given the following set of values, calculate the mean: 9.2, 7.7, 8, 5.8, and 2.2.

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Q: Computer chips are etched on circular silicon wafers of thickness 0.60 mm that are sliced from a…

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Q: For the solid cylinder shown above, the ratio of volume to total surface area is O 3/7 O 5/3 O 4/5 O…

A: Given data: Diameter of the cylinder, d=4 in Radius of the cylinder, r=d2=4 in2=2 in Height of the…

Q: 1.If 400 kg of methylated spirit occupies volume of 0.50 m, what is its density? a) 8 x102 kgm-3 b)…

A: According to the question answer guideline, I suppose to answer the first question only and in case…

Q: A typical atom has a diameter of about 1.0×10^−10m. Approximately how many atoms are there along a…

A: GivenDiameter of atom D=1.0×10-10mLength of line L=5.0cmL=5×10-2m

Q: (2) lubai A solid ball has a mass of 20 grams and a radius shown in micrometer. * ?What is the…

A: Given: The mass of the ball is 20 g.

Q: 7. What is the density of a rock of mass 6.00 grams and volume 2.00 ml?   a. 12.0 grams/ml…

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Q: If F(x) is an antiderivative of x2 + x1, then what is the value of F(1) - F(-1)? 3 -1 -2

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Q: The density of gold is 19.32 g/cm^3. What is this value in kilograms per cubic meter? Required to…

A: Density of gold= 19.32 g/cm3 Volume= 1 m3

Q: 3. Evaluate the following: a. j· (2i – 3j + k) Solution and Answer: b. (2î – j) · (3î + k) Solution…

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Q: You have been given a small rock sample to identify based on its density. Suppose that you use the…

A: M= 330g = 0.33 kg  V= 0.0001m3

Q: You have been given a small rock sample to identify based on its density. Suppose that you use the…

A: Density is a mass of unit volume.  It is the ratio of mass and volume It is measured in kg/m3

Q: A solid piece of lead has a mass of 23.94 g and a volume of 2.10 cm3. From this data, calculate the…

A:

Q: Why is it valid to represent the structure of a crystalline solid by the structure of its unit cell?…

A: Yes it is Valley to represent the structure of a crystalline solid by structure of its unit cell…

Q: The data in the following table represent measurements of the masses and dimensions of solid…

A:

Q: Volume = 45 cm3 density - Determine mass = ? 0.25 gem³ 8cm

A: volume of object (V) = 45 cm3density (d) = 0.25 gcm3

Q: The radius of an atom of gold (Au) is about 1.35 Å. How many gold atoms would have to be lined up to…

A:

Q: As of September 2021, which of the following fundamental SI units are based on a physical artefact…

A: Given, Fundamental quantities are "kilogram, second, mole"  We need to determine that which quantity…

Q: The experimental value of the mass density of the sphere is 8.35g/cm^3. The accepted mass density is…

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Q: A student experimentally determines the density of a metal to be 5.0 g/cm^3. What is the most likely…

A: The density of the metal which is experimentally determined by the student is ρ = 5.0 g/cm3.

Q: A steel casting has a cylindrical geometry with 10 cm diameter and weighs 9.07 kg. This casting…

A: Solution: given that diameter d= 10cm =0.1 m m = 9.07 kg time t = 6 min steel density = 7850 kg/m3

Q: If the atomic radius of a metal that has the face-centered cubic crystal structure is 0.2718 nm,…

A: Given :    Atomic radius, r = 0.2718 nm

Q: Doubling the radius of a sphere results in increasing its volume by a factor of a. Correct o b. 8 О…

A: Given information :- Final Radius R = 2 × Initial Radius r               or     R = 2.r where r is…

Q: Collectible coins are sometimes plated with gold to enhance their beauty and value. Consider a…

A: The area of the curved surface of the coin is The area of the faces of the coin is Now, the total…

Q: Question 4 3 cm 8 4 cm 5 cm 4cmx3cmx5cm block in g/cm³? 6 4 240 grams What is the density of the

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Q: stone is thrown into a body of still water and created ripples in the form of concentric circles. If…

A: Area of circle =πr²

Q: From the data obtained by a group of students below, compute the experimental densit of the material…

A: Given:- The standard density of the capper is =8.9 g/cm3  Diameter of the copper D= 3.25 cm =3.25 X…

Q: You obtained the following raw data when setting up a Bradford standard curve: BSA (mg/ml)…

A:

Q: Three experimental values are obtained for the density of steel in g/cm3, which are: 7.8, 8.1 and…

A: Error in the values of density are - ∆d1=8 g/cm3-7.8 g/cm3=0.2 g/cm3∆d2=8.1 g/cm3-8 g/cm3=0.1…

Q: In the figure below, what is the density of the oil? a. 0.35 g/cm^3. b. 0.65 g/cm^3. c. 0.80…

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Q: In a face centered cubic cell, an atom at the face contributes to the unit cell ----- ---

A: Given that:- Face centred cubic cell is given in the question.

Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.