does 1 mole of Ba and one mole of Pb have the same mass or a different mass?

Q: What is the atomic mass of an atom?

A: The atoms are placed in periodic table according to their atomic numbers.

Q: Abeta particle has a mass number of ____ and a charge of _____.

A: Given A beta particle has a mass number of ____ and a charge of _____.

Q: Using the graph, if an isotope of Zirconium contained 60 neutrons, what is likely to happen to it ?

A: Isotopes are the atoms of an element that contain different number of neutrons. Some of these…

Q: What is the atomic mass unit?

A: Solution- The atomic mass), we can also defined this as mass of the single atom .

Q: The radioactive element carbon 14 has a 1/2 life of 5750 years a scientist determined that the bones…

A: According to the question, the radioactive element C has half life of 5750 years.  Lost percentage…

Q: Explain the difference between Z (the atomic number) and A (the mass number)?

A: Concept introduction: Atomic number and mass number are the basic properties of element. An atom…

Q: Atomic number for Uranium is 92 How many protons, electrons, neutrons in Isotope U-92?

A: Answer - According to the question - Atomic no. of uranium, Z=92    No. of protons =Z=92   No. of…

Q: Show that the atomic mass of the element sulfur is 32.065 amu.

A: This question is solved by using the following formula.  mass contribution to Sulfur=(mass of…

Q: Try to complete the missing information for these three isotopes using only the data provided.

A: an atom consist of subatomic particle electron ,proton and neutron electron are negatively charged…

Q: Naturally occurring neon exists as three isotopes. 90.51% is Ne-20 with a mass of 19.99 amu, 0.27%…

A:

Q: The isotope with 15 protons and 14 neutrons is? The isotope with 9 protons and 8 neutrons is? The…

A: As we know, Mass number of an atom = number of protons +the number of neutrons Atomic Number of an…

Q: the neutral atoms of all of the isotopes of the same elements have. A. different numbers of protons…

A: Given : Neutral atoms of all isotopes of same elements.

Q: For the particles of an atom, which two particles have the same mass?

A:

Q: Which atoms have the same mass number? Explain the answer.

A: ANSWER IS DISCUSSED BELOW :

Q: What is a stable isotope of lithium? How many electrons does it have?

A:

Q: Vi-50 has a mass of 49.9472 amu and Vi-51 has a mass of 50.9440 with an average mass of 50.9415 amu.…

A: Consider the abundance of Vi-50 is X% and the abundance of Vi-51 is (100-X) %. The average atomic…

Q: What is the mass of an assembly of 1000 electrons?

A:

Q: How many electrons would it take to equal the mass of a helium nucleus?

A: The helium atom has 2 protons, 2 neutrons and 2 electrons. The mass of helium nucleus depends only…

Q: What is the atomic mass of an element?

A: Elements: Elements are chemically the simplest substance and hence is not be broken down using…

Q: Calculate the relative atomic mass

A: The relative atomic mass of an element is defined as an average value for the isotopes of the…

Q: What is the mass of the isotope is arsenic-73

A: The correct answer is given below

Q: 24.1% of all isotopes of an element have a mass of 75.23 amu. 48.7% have a mass of 74.61 amu and…

A:

Q: What is the experimental atomic mass of magnesium?

A: The atomic mass of magnesium can be calculated experimentally by using mass spectrometer . The…

Q: 13. 9.62 g of an element contains 0.240 mol. Identify the element. А. В В. Не С. Са D. Zr E. Both Ca…

A: Weight of an element = 9.62 g No. of moles = 0.240 mol

Q: Write the isotopic symbol for Lead-206.

A: • We need to write the isotopic symbol for Lead-206

Q: Describe the experiment that provided the basis for ourunderstanding of the nucleus.

A: Describe the experiment that provided the basis for our understanding of the nucleus.

Q: what is the mass of an electron?

A: Electron, lightest stable elementary particle known.

Q: Which part of the atom has most of mass ?

A: Most of an atom's mass is in its nucleus.

Q: i have 16 protons  16 neutrons and 18 electons  what would a sketch look like?

A: Since number of protons = atomic number in case of ions Hence the atomic number of the above atom is…

Q: [d] Do the same with these five words: beta, neutron, uncertainty, decay, electron.

A: [c] Write a single sentence, using all of these five words plus other words, that makes scientific…

Q: What is a atomic mass number

A: Atomic mass number is associated with a single atom, that is, mass of an atom. Furthermore,…

Q: How is the mass number related to the protons and neutrons?

A: The nucleus of the atom of an element is composed of protons and neutrons. The sum of the number of…

Q: what is atomic mass? how is it computed

A: what is atomic mass? how is it computed?

Q: A student says,A carbon atom is not the smallest possible amount of carbon, because atoms are built…

A: An atom contains electrons, protons and neutrons. Therefore, a carbon atom is composed of its…

Q: 3. Atomic #= # of and # of Atomic Mass= #.of neutronsD

A: Protons , Neutrons and Electrons are called as sub atomic particles. The reason they are said so…

Q: An atom has a diameter of 1.50 Å and the nucleus of that atom has a diameter of 3.00×10−5 Å.…

A:

Q: The average atomic mass of Ga is 69.72. Naturally occurring Ga is composed of Ga-69, which has an…

A:

Q: What is the mass of the other isotope of Boron given 11B has a mass of 11.0093 amu and an abundance…

A: Isotopes of boron are 11B and 10B. Average atomic mass=∑mass of isotope×Relative abundance %100 Mass…

Q: Below are the five atomic models in history. Number them in historical order from 1 to 5. (1 being…

A: The 5 atomic models in history are given. They are to be numbered in historical order from 1 to 5.…

Q: If you wanted to change the atomic number in the simulation, changing the number of which particle…

A: An atom contains the subatomic particles like Electrons, Protons and Neutrons. The subatomic…

Q: atoms which has the largest mass?

A: Till now periodic table contains 118 elements

Q: 14 Which types of subatomic particles are found inside the nucleus of an atom?

A: Any atom is  made of three kinds of subatomic particles : Proton, positively charged Neutron, is…

Q: Magic numbers are associated with protons and neutrons in a nucleus. State the magic numbers for…

A: There are many factors that give to nuclear stability.  These are, Full nuclear shell (magic…

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.