what has more atoms.....  a gram of Cesium or a gram of Hydrogen.  Not sure how to figure it out and why.   I have multiple questions on homework like this ... didnt understand professors explanation as we are cramming to get done on  time.  Does this have to do with the Avagadros number?

Q: By definition, all atoms of carbon have exactly 6 _________, but the number of _________ varies from…

A: Carbon is an element in periodic table. It has the atomic number of 6. Carbon is a nonmetal with…

Q: I Review I Constants I Periodic Table For the following atoms, give the number of protons, neutrons,…

A: Part A 2713Al ; Number of protons (Np ) = 13 Number of electrons (Ne ) = 13 Number of neutrons (Nn…

Q: Calculate the atomic mass of of sulfur if 95.00% of all sulfur atoms have a mass of 31.972 amu,…

A: Average atomic Mass: It is calculated for elements having isotopes. Isotopes: The elements which has…

Q: The element X has three naturally occurring isotopes. The masses (amu) and % abundances of the…

A: To find the average atomic mass, summing the masses of the elements isotopes, each multiplied by…

Q: Accordingly, which of the following statements is wrong?    A) The mass of an aluminum atom is…

A:

Q: Can you figure out why most of the α-particles in Rutherford's experiment went through gold foil…

A: Rutherford's experiment is to determine the structure of an atom where Rutherford used alpha…

Q: Gold (Au) is one of a group of metals calledthe coinage metals (copper, silver, and gold). How many…

A: Solution :      Avogadro's number is defined as the number of particles present in one mole of the…

Q: Can we tell the exact mass of a particular atom by looking at the periodic table

A: The periodic table is a table in which a total of 118 elements are placed on the basis of their…

Q: Imagine that you were working in the lab at Amgen (a biotech compan Thousand Oaks) and you discover…

A: Isotopes of elements contains same number of protons but different number of neutrons.

Q: What element makes up 25% of lliving things?

A: The major elements present in the human body are hydrogen, oxygen, carbon, and nitrogen.

Q: Define atomic number, mass number, isotope, atomicmass, and mole.

A: Anything that occupy space and has mass is called matter which  is made up of atoms. Atoms are…

Q: Naturally occurring boron is composed of two isotopes. The percent abundance and the mass of each…

A: 6 (B) ANS: Atomic mass=   % abundant x atomic mass +% abundant x atomic mass /100 Atomic mass=  19.9…

Q: Explain why atomic masses are not whole numbers.

A: The atomic masses are an important quantity of each element. Each element of the periodic table will…

Q: how to find how many electrons given the mass of a sample and the known amount of atoms in the…

A: Given that the mass of the sample and the atoms in an element are known.  From that the number of…

Q: mass of magnesium ribbon before experiment is 0.33g mass afer is 0.49g    Determine the mass of…

A: 0.1945 g of O2 combines with Mg to form 0.49 g of MgO.

Q: what is the mass element of calcium?

A: Mass of an element is represented by A in symbolic representation of element.

Q: How can you calculate the average atomic mass of two isotopes,

A: Average atomic mass: The average atomic mass of an element is the sum of the masses of its isotopes,…

Q: What is the mass of 1 mole of pennies? ? How many moles of pennies have a mass equal to the mass of…

A: Q1) One mole of any substance contain Avogadro number of particles. One mole of pennies contain…

Q: elements given below is of

A: Melting point depends upon crystal lattice system means if atoms of Element are smaller in size then…

Q: Which of these atoms Sulfur, Heli Explain.

A: Those atom which completed its octate will not surve as central atom

Q: An unused flashbulb contains magnesium and oxygen. After use, the contents are changed to magnesium…

A: The observation can be explained by the the law of conservation of mass. The law of conservation of…

Q: Write the complete cher states of matter.

A: Write the complete reaction between Ca(OH)2 & HCl?

Q: Suppose a piece of silver jewelry contains 5.73×1022 atomsatoms of silver (AgAg). How many dozens…

A: 1 dozen = 12 So if you want the number of dozens of silver atoms: 5.73 x 10^22 / 12 = 4.775 x 10^21…

Q: How would you determine the accuracy of an atomic mass?

A: The atomic mass is a weighted average of all of the isotopes of that element, in which the mass of…

Q: Sulfur’s average atomic mass is close to the wholenumber 32. Chlorine’s average atomic mass is…

A: Given information,     Sulfur’s average atomic mass is close to the whole number 32.     The…

Q: of Protons and Neutrons ir

A:

Q: I want to know at least some reason why the mass of the Mgo formed could be lower that expected

A: Interpretation -  To tell about a reason why the mass of the MgO formed could be lower that expected…

Q: ny atoms a

A: The number of moles is determined as the mass of the substance upon its molar mass. The number of…

Q: Naturally occurring elements are originally formed: O A. Inside the core of stars, or when stars…

A: Naturally occurring elements as the name suggest, it is formed naturally not by any man made actions

Q: I was given the data, I just can't seem to figure out the mass part.

A:

Q: Determine the mass of Strontium-86 (in u) given that the average atomic mass of Sr is 87.6126 u and…

A:

Q: 5. What would 756 atoms of Iodine weigh in amu? -

A: The question is based on mole concept. We have to calculate mass of the given number of atoms of…

Q: how many atoms at there in 63.55 grams of copper?

A:

Q: If you have 1.4 moles of silver, what would be the mass of silver?

A: Given, moles of Silver (Ag) = 1.4 moles to find : mass of Ag.   Solution : We know that, Atomic mass…

Q: Fusion is cool, small things come together and make bigger things. For example, if two carbon-12's…

A: Atomic No. of carbon is :- 6 Mass of C-12 carbon is :- 12 Atomic no. Silicone is :- 14 Mass  of…

Q: Calculate the number of atoms in sample. 39.733 g S

A: Given, Mass of Sulfur = 39.733 g

Q: Discuss the assertion between the observed value of atomic mass of lithium and it's true value

A: The mass of the atom is due to the nucleus. And the nucleus contains two sub atomic particles which…

Q: The element argon has three isotopes and an average atomic mass of 39.948 u. Idenitfy the most…

A: Element Ar having three isotopes one is Ar-36, second is Ar-38 and last one is Ar-40  Ar-36 have…

Q: How is the atomic mass unit, amu, defined?

A: 1 a.m.u. = 1.66 × 10-24 g

Q: What is the mass of theis example explain

A: Explainination :      In mass spectroscopy, neutral organic molecule (M) in the vapour or gaseous…

Q: What is the atomic mass for Lithium (Li) calculation given the following information?

A: Given: Atomic mass of 7Li isotope  = 7.0160 amu Atomic mass of 6Li isotope  = 6.0151 amu Abundance…

Q: 11) Calculate the number of atoms of each element: 5Na,SO,

A: according to mole concept one mole of any species contains avagadro number of atoms,  molecule and…

Q: Mercury has an atomic number of 80 and an atomic mass of 200. Mercury has number of protons, number…

A:

Q: What is the number of atoms in element Pt?

A: The Pt symbol is used for the platinum and it is a member of the VIII B group thus it is a…

Q: which contains more atoms, 1 gram on gold or 1 gram of silver? explain please

A: 1mol of any substance contains 6.023 × 1023  number of atoms. 1mol of any substance means its atomic…

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.