Determine the thickness of an aluminum foil in atoms with the following information: Weight: 0.633 g Volume: 0.301 cm^3 Length: 13.3 mm Width: 10.5 mm Al Atomic Radius: 1.82 Å Al Density: 2.70 g/cm3 1 Å = 1x10-10m

Q: Assuming that the shape of atoms is spherical, what is the diameter (in angstroms) of an atom that…

A: A multiple choice question based on atomic structure, which is to be accomplished.

Q: amino acid methionine is depicted in the picture.  C5H11NO2S is the molecular formula for…

A:

Q: How many atoms are contained in a titanium sphere having a diameter of 4.00 mm? The density of…

A: Given : density of titanium = 4.506 g/cm3  And diameter of sphere = 4.00 mm  Since 1 cm = 10 mm…

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: Specify the number of protons and electrons in each of the following ions. A) Se^2−, needed for…

A: To specify the number of protons and electrons we will use the following concept . Since we know…

Q: 8. Which pair of elements do you expect to be most similar in their chemical properties? a) K and Fe…

A: Most similar in their chemical properties

Q: halogens TAL LE IA 12A Be Na Mg Kla Rb Sr |S Ba Fr Ra -| :0 KCI Br At

A: Chemical reactions occur when there is any chemical change. They are written in the form of chemical…

Q: A silver wire has a diameter of 0.500cm what length of the wire contains exactly 1.0×10²³ atoms of…

A: Given: Diameter of the wire = 0.500 cm  And the number of atoms of Ag wire = 1.0 X 1023 atoms.

Q: atoms

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Q: Transition metals are good conductors of electricity because of their sea of electrons Oability to…

A: (1). Substances through which heat and electricity can easily pass are called conductors. For…

Q: What is the edge length (in cmcm) of a titanium cube that contains 2.41×10242.41×1024 titanium…

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Q: Mass of the crucible and cover Mass 34.7816 134.76516 34.7658. After 1ª heating After 2nd heating…

A: A numerical problem based on heating experiment, which is to be accomplished.

Q: An alloy contains 10.8 % titanium by mass and has a density of 13.98 g/cm3. Titanium-49 has an…

A: Number of atoms = 8,926,980,280,926,177,000,000 atoms. Avogadro’s constant = 6.023 × 1023 atoms.…

Q: . Calculate the molar mass of an element which has 12 protons from the following list of elements,…

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Q: An unknown element X has the following isotopes: ²⁵X (80.5% abundant) and ²⁷X (19.5% abundant). What…

A: Given :  element X has the isotopes: ²⁵X (80.5% abundant) and ²⁷X (19.5% abundant).  Since Atomic…

Q: A substance has a BCC stucture has a density of 5.96 grams per cubic centimeter and atomic weight of…

A: We have to calculate the radius of atom.

Q: When trying to identify an unknown element, a scientist determines what other elements the unknown…

A: To identify the unknown elements, its chemical properties should be studied.  Chemical properties…

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 of the following radii comparisons is incorrect? A) Sr Se E) Sn > Sn*

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Q: Last, need help with question Number 5

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Q: A 0.383 g sample of an element contains 1.943 × 10 21  atoms. What is the element symbol

A: Given, amount of sample =0.383 gnumber of atoms of the sample =1.943×1021 atomswe are asked to…

Q: Rank the masses of the elements from lightest to heaviest. To rank items as equivalent, overlap…

A: Atomic masses of the elements: B : 11 u Cr: 52 u Li: 7 u

Q: m b d Halogens Alkali Metals Alkali Earth Metals Noble Gases a. b. c. d. Inert. Do not react with…

A: The periodic table contains different elements arranged in the group and periods . The group one of…

Q: Calculate the radius in nanometers of a metallic atom given that it has a BCC structure and a…

A: At first, we have to find the value of edge length from the crystal density formula, then, radius .…

Q: Which of the subatomic particles participate in the chemical bonding between atoms?

A:

Q: 5) Elements in the last column of the periodic table are called, 6) What distinguishes one element…

A: 5. Elements in the last column of the periodic are called Noble gases 6. The atoms of the element .…

Q: 92. Substance which takes up water or moisture and liquefies/dissolve in it:   hygroscopic…

A:

Q: Earth’s surface area is 5.1 x 108 km2, its crust has an average thickness of 35 km and an average…

A: Since the volume of earth will be = surface are of earth X thickness of earth = 5.1 X 108 X 35 =…

Q: Which of the following statements must be true for the following equation to apply?…

A: The given equation is an expression for the energy of stationary state of electron which was given…

Q: Which two elements on the periodic table are in the same period? OH, Na O B, Ga OK, Sc He, Ne

A: Which two elements on the periodic table are in the same period = ?

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: A fictitious element X has a molecular weight of 9.46 g/mol. If the volume occupied by one atom of…

A: We have given that the a fictitious element X has a molecular weight of 9.46 g/mole and the volume…

Q: A bicycle part made of titanium, Ti, has a volume of 32 cm . Titanium has a density of 4.50 g/cm .…

A:

Q: It the type of energy that happens in the core of the atom   a. solar b. thermal c. nuclear d.…

A: Solar as the name suggest energy that come from heat and light of sun.

Q: Oxygen, whose atomic number is eight, has three stable isotopes: 16O, 17O, and 18O. Explain what…

A:

Q: 37. Which of the following statements is not correct? A. A cation is formed when an atom loses one…

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Q: Which one of the following statements best describes the data provided? atom #1 71 31 atom #2 70 A…

A: The data given is,

Q: 7. A 25.75 g sample of a nitrogen oxide was found to contain 6.68 g nitrogen and the rest oxygen.…

A: Problem 7 % Weight of an element in a compound = 100 x Weight of element/Weight of compound Weight…

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: Determine the a) natural abundance of isotope 1 and the b) average mass of the element (in amu) and…

A: Every atom in periodic table has some atomic mass and atomic number. When atomic number of two…

Q: Below is a list of properties of elements. Classify them as a property of metals, nonmetals, or…

A: Given properties:

Q: 1.)What is the atomic number for the element that is in group 1A and period 6? 2.) What is the…

A:

Q: Naturally occurring silicon consists of three isotopes with the following isotopic masses and…

A: The three isotopic masses of silicon and their relative abundance have been provided. The average…

Q: How many atoms are contained in a titanium sphere having a diameter of 12.0 mm? The density of…

A:

Q: Gold is very malleable which means it can be pounded into very thin sheets. Decorative gold leaf can…

A:

Q: Determine the number of atoms in 1.96 mL of mercury. The density of mercury is 13.5 g/mL

A: Given: Density of mercury = 13.5 g/mL Volume of mercury = 1.96 mL We know,…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.