A lead atom has a radius of 177 pm. To cover a distance of 2.17 mm, how many lead atoms would have to be put side by side?

Q: 16.The atomic masses of * Cl (75.53 percent) and "Cl (24.47 percent) are 34.968 and 36. 956 a.m.u.,…

A: Introduction: Chlorine belongs to group 17 elements with atomic number 17 and mass 35.45 amu. Group…

Q: Relative number of atoms The stable isotopes of iron are 54F., 56FE, 57Fe, and 58F.. The mass…

A:

Q: The diameter of a US penny is 19 mm. The diameter of a silver atom, by comparison, is only 2.88 Å.…

A: The diameter of one silver atom in the units of mm is calculated as follows:

Q: The diameter of a silicon atom is 2.34 x 10-8 cm. If the silicon atoms were placed next to each…

A: Given:  Diameter of silicon = 2.34 x 10-8 cm Width of paper = 8.5 inch

Q: The number of atoms in 1 dm3 of aluminum is nearly the same as the number of atoms in 1 dm3 of lead,…

A: Density of a substance is given by the ratio of mass and volume of the substance. Write the…

Q: Thomson's experiments with a cathode ray tube demonstrated that protons are positively charges…

A: J J Thomson is one of the famous scientist in discovery of atomic structure and subatomic particles…

Q: (a) Describe Rutherford's experiment and how it led to the structure of the atom. How was he able to…

A: a)

Q: What is the mass number of an ion with 106 electrons, 159 neutrons, and a +1 charge? Express your…

A: Since it is an ion, the number of electrons is calculated with the expression given below in which…

Q: How many miles of gold atoms do 3.45 x 10^24 gold atoms constitute

A: This problem can be solved by knowing that one mole comprises of 6.022×1023 atoms.…

Q: What is the radius (in cm) of a pure copper sphere that contains 1.14 * 1024 copper atoms? [The…

A: Given information:

Q: Distinguish among the types, locations, and charges of subatomic particles.

A: Protons, neutrons are electrons  that are the three fundamental subatomic particles present in the…

Q: Calculate the mass, in grams, of each sample. a. 1.1 x 10 gold atoms b. 2.82 x 102 helium atoms c.…

A: Calculate the mass in grams of each sample  (a) 1.1 x 1023 gold atoms (b) 2.82 x 1023  helium atoms…

Q: The radius of a strontium atom is 215 pm. How many strontium atoms would have to be laid side by…

A: Diameter = 2 X Radius

Q: What is the radius (in cm) of a pure copper sphere that contains 1.27*1-^24 copper atoms?  The…

A:

Q: the number of copper atoms in 3.0 g lump of copper is 2.8 x 1022. how many electrons are present in…

A: Given: Number of copper atoms in 3.0 g lump of copper is 2.8 x 1022.

Q: Sulfur forms several compounds with fluorine. Upon decomposition, sample one produces 4.45 g of…

A: Given information is:                   Sample 1 →Decomposition F(4.45grams) + S (1.25grams)…

Q: Suppose the diameter of a type of atom is 2.22 x 10-7 mm. A coin has diameter 1.20 cm. Suppose the…

A: If we divide the diameter of a coin by the diameter of an atom we will get the no. of atoms.  Given…

Q: atoms

A:

Q: An ion that consists of 16 protons, 32 neutrons, and 18 electrons has:

A: The atom consist of 3 particles-  1- electron 2- proton 3- neutron

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: The diameter of a U.S. dime is 17.9 mm, and the diameter of a silver atom is 2.88 A° . How many…

A: The diameter of a U.S. dime is 17.9 mm = 0.0179  meter  diameter of a silver atom is 2.88 A°  =…

Q: [The volume of a sphere is (4/3)πr3 and the density of copper is 8.96 g/cm3.] A pure copper sphere…

A: Number of atoms in a mole of any substance is equal to Avogadro's number.

Q: A 6.55 g sample of calcium sulfide was decomposed into its constituent elements, producing 3.64 g of…

A: According to the law of constant composition, for any particular chemical compound, all samples of…

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: Which statement about subatomic particles are false? Protons and neutrons have charges of the same…

A: Proton, neutron and electrons are the subatomic particles present in an atom.

Q: If the density of indium is 7.31 g/cm', how many atoms are there in a indium piece of 30 dm wide, 5…

A: Density of an element is defined as the ratio of the mass of the element to its volume.…

Q: The radius of a hydrogen atom is 37 pm (1pm 10-12m). How many hydrogen atoms lined up side to side…

A: Given,Radius of hydrogen atom = 37 pmDiameter of hydrogen atom = 2 × radius = 2 × 37 pm = 74 pm…

Q: Calculate the mass, in kg, of sample.  7.55x10^26 cadmium atoms

A:

Q: Calculate the mass of a gold-197 atom using the information from question 9 and the masses of the…

A: The ratio of mass to the volume of the solution is known as density.

Q: The element chlorine has two naturally occurring isotopes. The isotopic masses and abundances of…

A: Recall the following expression to calculate average atomic mass of chlorine average atomic…

Q: What is the edge length (in cm) of a titanium cube that contains 2.55 * 10(24) titanium atoms? The…

A:

Q: If the density of indium is 7.31 g/cm², how many atoms are there in a indium piece of 30 dm wide, 5…

A:

Q: (1. On the second floor of Kent Laboratory a chemistry student in 111B finds that 15.20 g of…

A: Given information:Mass of nitrogen = 15.20 gMass of oxygen for different compounds = 17.37 g, 34.74…

Q: 9. How many hydrogen atoms are there in 500.0 L of water? (dH.0 = 1.00 g mL) %3D A: 3.34 x 1025 28

A: Given, the volume of water V =500.0 L =500000 mLdensity of water d =1.00 g .mL-1we are asked to…

Q: The atomic radius of a gold atom is 144 x10-12 m.  The volume of a gold atom can be calculated using…

A:

Q: n a series of oil-drop experiments, the charges measured on the oil drops were -3.20*10-19 C,…

A: Given, Charge on drop 1 = -3.20*10-19 C, - Charge on drop 2 = 16.40*10-19 C Charge on drop 3 =…

Q: An element has a mass of 207 and has 125 neutrons in its nucleus. How many protons and electrons…

A: The smallest unit that retains an element's attributes is defined as an atom. Atoms can't be created…

Q: Silicon is widely used in the semiconductor industry. Its isotopes and abundance are: Si-28 (27.977…

A:

Q: Gallium Arsenide has a density of 5.32g/cm3 and the chemical formula GaAs. A GaAs piece has a volume…

A:

Q: The volume of a single strontium atom is 4.15 x 10-23 cm³. What is the volume of a strontium atom in…

A: It is a volume unit conversion problem where we are asked to convert the volume from cubic…

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: In the periodic table, do the chemical properties change more than through a period or through a…

A: Periodic table is table in which the elements are arranged based on there electronic configurations.…

Q: How many protons, electrons and neutrons does Cl1?

A: In the question, we have been given a halide ion and we need to calculate the number of electrons,…

Q: The radius of a tungsten atom is 137 pm. How many tungsten atoms would have to be laid side by side…

A: Given :- radius of tungsten atom = 137 pm  To calculate :- number of tungsten atoms in 1.99 mm

Group 14 Elements

The following elements come under group 14 of the periodic table.