A neutron star has a density of 5.0 x 1017 kg/m3. How many ?μL of space would 5.0x106 metric tons (mt) occupy? 1.00 mt = 1,000kg

Q: What is the mass of 4.89 x 1021 platinum atoms?

A: Mass of 6.0221 x 10^23 platinum atoms is 195.08g Mass of 4.89 x 10^21 platinum atoms is(m) ____g

Q: Fill in the information missing from this table. nuclide protons neutrons Z A 1 22 27 0 0 0 5 11 0 0…

A: Atomic number = Z Mass number = A Atomic number = number of protons Mass number = (number of protons…

Q: Consider the following equation: The mass number of element X is: 218A+ 15B 100C + xlx +4n

A: Recall the given reaction         218A + 15B →100C + XX + 4 1n In the nuclear reaction summation of…

Q: K: Mn: Ge: Kr:

A:

Q: Determine the number of protons and neutrons in uranium-235. Enter your answers numerically…

A: As we know that atomic number of the element equals the number of protons.  For uranium-235, Atomic…

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

A: GivenRadius of rhodium = 134pm Distance= 1.70mmMass of single uranium atom = 4.70×10^-22g

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: Write the complete electron configuration for the cobalt atom. Using NOBLE GAS notation write the…

A: Write electronic configuration of Cobalt & vanadium ?

Q: 1A 8A H 2A 3A 4A 5A 6A 7A He Li Be BC NO F Ne Na Mg 3B 4B 5B 6B 7B - 8B ¬ 1B 28 A1 Si PS CI Ar K Ca…

A: 1. The  electron configuration of silicon atom  number of electrons in Si atom= 14 In order to write…

Q: Show all your work on a sheet of paper to solve the following significant figures. You can earn…

A: 6.02*1023 atoms = 1 mole  4.75* 1024 atoms = 7.89 mole of Ar

Q: 8A 1A H 2A 3A 4A SA 6A 7A He Lu Be BCNOF Ne Na Mg 38 48 5B 6B 78 r BB 18 28 AI si PSCI Ar K Ca Sc TI…

A:

Q: Five calcite, CaCO3 (MM 100.085 g/mol), samples of equal mass have a total mass of 12.4 ± 0.1 g.…

A:

Q: Fill in the information missing from this table. nuclide protons neutrons Z A 0 0 33 75 0 0 12 14 0…

A:

Q: 10. Natural rubidium is composed of the isotopes 8Rb, which has an actual mass of 84.9117 amu, and…

A:

Q: 235U + 'n93Kr + 140BA + 3 'n Consider the substances in the reaction: Uranium-235, Krypton-93, and…

A: •Any element can be represent as :-                         A                            A → mass…

Q: Give the number of protons, neutrons, and electrons in each element: (a) silver-115; (b) 197Au; (c)…

A: General representation of an element : XZA  Z = atomic number = number of protons  Number of protons…

Q: Question 4. Dylan reacted a sample of silver chloride, AgCI, to recover pure silver. He recorded the…

A: The mass of empty beaker is = 29.10 g The mass of the beaker with AgCl is = 39.74 g The mass of…

Q: You are exploring the universe in your spaceship, and you land on a planet that is very similar to…

A:

Q: Liquid A has 10 grams of element X per liter. Liquid B has 15 milligrams of element Y per cm3 (there…

A:

Q: Determine the missing element ----   3516S---->  -10e     +     ?

A: From given nuclear reaction  Missing element in the reaction is shown below

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: An isotope with atomic number 64 and mass number 158 is found to have a mass ratio relative to that…

A: Given An isotope has an atomic number of 64 and mass number of 158 It has a mass ratio of 13.16034…

Q: Consider Molecule X, which is found in all living cells. This single-strand nucleic acid folds into…

A: The name of x is RNA (Ribonucleic acid) Explanation given below with attached file.Explanation:

Q: How many protons, neutrons, and electrons, respectively, are in 57Co2+?

A: Given ion,         57Co2+ ion The atomic number of cobalt is 27.

Q: 2. THE FORCE BETWEEN TWO CHARGES IS 1000 N. ONE HAS A CHARGE OF 2X 10-5 C, AND THE OTHER HAS A…

A: Coulomb's law:  It states that the magnitude of the electrostatic force F between two point charges…

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

A: Given that the diameter of a rhodium atom is 2.7×10−8 cm To calculate the volume of an atom of…

Q: An atom has a diameter of 2.50 Å and the nucleus of that atom has a diameter of 6.00 x 10-5 Å.…

A: There two questions to be solved and both of them are numerical aptitude type we have provided the…

Q: Assume the radius of a neutron to be approximately 1.0 x 10-¹2 cm, and calculate the density of a…

A: Part A Density :-Density is the measurement of how tightly a material is packed together. It is…

Q: write a general nuclide s

A: we use X for the symbol of an element. Z for the atomic number and A for the mass number to write a…

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

A: The radius of the strontium atom is 215 pm.The distance given is 1.65 mm.To find the number of…

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.