An atom is 1.3x10-10 m in diameter. If an atom was 1cm in diameter, how tall would you be (1.78m).

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: Mrs. Smith showed her class three elements and described their properties. Properties of Elements…

A: The data given is,

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: Classify the following elements as a metal, nonmetal, and a metalloid. 1.) hydrogen…

A: Metal is the element that readily forms cations and shows properties like conductivity, luster,…

Q: 106. Carbon-12 contains 6 protons and 6 neutrons. The radius of the nucleus is approximately 2.7 fm,…

A:

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

A:

Q: Which pair represents a set of isotopes? O A. calcium-48 and titanium-48 O B. 74se and 82se O C.…

A: Isotopes : Isotopes are the atoms of same  element with same atomic number but different number of…

Q: Find the density of a neutron star with a mass of 1.97 solar masses and a diameter of 13 km, and…

A: Conversion units: 1 solar mass = 1.989×1030 kg 1 fm = 10-15m 1 km =1000 m 1 amu = 1.66×10-27 kg…

Q: 7. Is matter usually charge-neutral? How would matter be different if it were not charge-neutral?

A: Matter is neutral since they have equal number of protons(positively charged) and electrons…

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: a. Is Potassium a metal, non-metal, or metalloid? b. Based on your answer to part (a) above, would…

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

Q: 1. Models come in many forms including physical, 2-dimensional, conceptual, computer, and…

A: Given: Two dimensional models, conceptual, computer and mathematical models To find: scientist use…

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

A: Given: Radius of tantalum atom = 142 pm And total distance given = 2.85 mm.

Q: I would like help with this question please. Thank you in advance!

A:

Q: A hydrogen atom, which has one electron, has a radius 0.7 x 10-10 m. The radius of its nucleus is…

A: Atomic number of hydrogen atom is 1 and consists one proton in the nucleus. And one electron is…

Q: For the following atoms, give the number of protons, neutrons, and electrons: Part C Si Express your…

A: The number of protons in an atom is equal to the atomic number of that atom. In a neutral atom, the…

Q: 5. Subatomic Particles. Give the number of protons, neutrons, and electrons in each of the following…

A: Since you have asked multiple question, we will solve the first questionfor you. If you want any…

Q: The mass of a proton is 1.673 x 10-27 kg and the diameter of the nucleus of the H atom is 1.0 x 10°…

A: Given in the question, Mass of proton = 1.673 ×10-27kgDiameter of nucleus = 1.0 ×10-3 pm Radius of…

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: The vitamin niacin (nicotinic acid, C6H5NO2) can be isolated from a variety of naturalsources such…

A: To find: The source of nicotinic acid which is best for use in a multivitamin tablet.

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

A:

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: Locate each of the following elements in the periodic table;give its name and atomic number, and…

A: Metals are those substances or minerals which forms naturally below the surface of the earth. They…

Q: What is the chemical element? X

A: Here we have asked about the information for the chemical element 'X'. We can tell about this as…

Q: Identify each of the following elements as a metal, nonmetal,or metalloid: (a) gallium, (b)…

A: Metals are those elements which show metallic properties like shiny appearance, ductile and…

Q: Neutron stars are composed of solid nuclear matter, primarily neutrons. Assume the radius of a…

A: Mass of neutron = 1.0087 u and 1 u = 1.6605 × 10 -27 kg Hence , Mass of neutron = 1.0087 × 1.6605 ×…

Q: Is the underlined part of the macroscopic domain, or the microscopic domain of chemistry ? A carbon…

A: The term macroscopic refers to the objects that can be seen by the naked eyes. Macroscopic is just…

Q: The volume of a single potassium atom is 5.16×10-23 cm³. What is the volume of a potassium atom in…

A: Given:The volume of a single potassium atom is 5.16×10-23 cm3.we have to find the volume of 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: 11. At death, a nobleman in ancient Egypt was mummified and his body contained 1.4 x 10 3 g of…

A:

Q: 4. The following data were collected for several compounds of nitrogen and oxygen: Compound Mass of…

A: Compound Mass of Oxygen reacts  with 1 g of nitrogen W 0.5711 g X 1.142 g Y 2.284 g…

Q: Complete the following shorthand notations: ? (р, а) $Li 31p (a, ?) 1čS 242Cm (a, n) ? Mg (? ,p) iNa…

A: To find: The complete shorthand notation for the given compounds

Q: The ratio for an mass-to-charge electron is 5.64x10−12 kg/C. In another experiment, using Millikan's…

A: Millikan did an experiment to determine the mass to charge ratio for an electron which was known as…

Q: An atom has a very small nucleus surrounded by an electron "cloud." The figure below represents the…

A: The diameter of the nucleus is given that 2 mm. The electron cloud or diameter of atom is 200m. That…

Q: A carbon atom has a diameter of 67 pm. If the nucleus of an atom is 100,000 times smaller than the…

A: The volume of sphere (atom or nucleus) is directly proportional to cube of its radius.

Q: Identify each of the following elements as a metal, non-metal, or metalloid: (a) phosphorus, (b)…

A:

Q: The element Neptunium has a density of 19.60 g/ml. What is the radius of a sphere of this material…

A: Given: Density = 19.60 g/ml = 19.60 g/cm 3 Mass of sphere =70 kg= 70 x 1000 =70000 g  Because one…

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: 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: 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: 1. A typical multivitamin tablet can contain 2.00 mg of vitamin B2 (riboflavin), and the RDA is…

A: The solution is given below -

Q: Which statements are true? A. There are 11 elements represented in the periodic table by letters…

A:

Q: Identify each of the following elements as a metal, nonmetal,or metalloid: (a) phosphorus, (b)…

A: Metals and Nonmetals are different types of materials present around us. Metals (like copper and…

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.