Atoms and Atomic Structure

13 atoms are in one molecule of borax but that is surrounded by 10 water of hydration molecules containing 3 atoms each; giving a total of 43 atoms altogether in and around one borax molecule.

No, the behavior of atomic radius for ions of atoms would not be the same. When an atom gains or loses electrons to become an ion, its radius changes. Cations (positively charged ions) are smaller in radius compared to their parent atoms because they lose electrons, leading to increased effective nuclear charge pulling the remaining electrons closer. Anions (negatively charged ions) are larger in radius as they gain electrons, resulting in increased electron-electron repulsion and expansion of the electron cloud.

The chemical formula for silver chlorate is AgClO3. To determine the number of atoms in silver chlorate, we must consider the subscripts in the formula. There is 1 silver atom (Ag), 1 chlorine atom (Cl), and 3 oxygen atoms (O) in each molecule of silver chlorate. Therefore, there are a total of 5 atoms in one molecule of silver chlorate.

Ernest Rutherford is the scientist who concluded that the nucleus of an atom contains a dense center of positive charge. This conclusion was based on the results of his famous gold foil experiment in which he observed the scattering of alpha particles. Rutherford's discovery revolutionized the understanding of atomic structure and laid the foundation for the development of the modern atomic model.

Dissolution is the process of dissolving a solute in a solvent. It does not involve any chemical change.

�Some elements are more mobile than others � �Most commonly promoted by acid � �KAlSi3O8 + H2O > Al2Si2O5(OH)4 + K+ + H4SiO4

Cesium is in period 6 and thus will have 6 electron shells.

An atom has no overall electrical charge because it has an equal number of positively charged protons in the nucleus and negatively charged electrons orbiting the nucleus. The positive and negative charges cancel each other out, resulting in a neutral atom.

To determine the number of hydrogen atoms in 2 mol of C8H18, we first need to calculate the molar mass of C8H18. Carbon has a molar mass of approximately 12 g/mol, and hydrogen has a molar mass of approximately 1 g/mol. Therefore, the molar mass of C8H18 is (812) + (181) = 114 g/mol. Next, we use Avogadro's number (6.022 x 10^23) to calculate the number of molecules in 2 mol of C8H18, which is 2 mol * 6.022 x 10^23 molecules/mol. Since there are 18 hydrogen atoms in each molecule of C8H18, the total number of hydrogen atoms in 2 mol of C8H18 is 2 mol * 6.022 x 10^23 molecules/mol * 18 atoms/molecule = 2.17 x 10^25 hydrogen atoms.

They are reactive, but selective with elements that they will bond with. Most bond with oxygen and oxygen bonds with itself. Elements in the same families tend to bond with other elements similarly, but there are no hard and fast rules.

NO!!!

8 protons , means 8 positive charges ( 8+).

10 electrons , means 10 negative charges ( 10-).

Summing

8+ 10 - = 2-

So the ion will have a charge of '2-'

From the information given this is the oxygen ion ( O^(2-)).

Most do. They are called isotopes. For a particular element the number of protons in the nucleus is the same, but there can be different numbers of neutrons. For example uranium235 and uranium238 where the number is called the mass number, which is the sum of the numbers of protons and neutrons in the nucleus. Isotopes of hydrogen are specially given individual names (hydrogen, deuterium, tritium) but they are all "chemically" hydrogen (protons=1, electrons=1).

The Lewis dot structure of elemental (biatomic) oxygen (O) have three of its sides surrounded by valence electrons. The Lewis dot would be 3 of these individual O2 structures: .. .. :O::O: .. ..

Well, honey, Na is sodium, and it has a charge of +1. So if you have three Na atoms hanging out together in Na3, you just multiply that charge by 3, giving you a total charge of +3 for the compound. It's as simple as that, darling.

Well, honey, IO2 doesn't exist. But if you meant IO2-, then you've got yourself a total of 18 valence electrons. I hope that clears things up for you, darling.

Ruthenium has an atomic number of 44, which means it has 44 protons and, in a neutral atom, 44 electrons. Electrons are negatively charged subatomic particles that orbit the nucleus of an atom. Therefore, there are 44 electrons in a neutral atom of ruthenium.

To determine the number of atoms in 2KClO3, we first need to break down the compound into its constituent elements. KClO3 consists of 2 potassium (K) atoms, 2 chlorine (Cl) atoms, and 6 oxygen (O) atoms. Therefore, in 2KClO3, there are a total of 4 potassium atoms, 4 chlorine atoms, and 12 oxygen atoms.

Element D with atomic number 20 is Calcium, which has the chemical symbol Ca. Element R could potentially refer to Radon with atomic number 86.

Calculator

Well, honey, let me break it down for you. When lead forms ions, it tends to lose electrons and become positively charged. So, in that case, lead loses electrons like it's going out of style. Hope that clears things up for you, darling.

Take the atomic number then subtract the amount of valence electrons.

Example:

Number of non valence (inner) electrons in Sulfur:

16 (atomic number) - 6 (valence electrons) = 10 (valence or inner electrons)

Well, honey, before you brand a steer, you better make sure you have a hot iron ready to sizzle that poor sucker's hide. And don't forget to restrain the poor critter so it doesn't kick your behind while you're playing cowboy. Oh, and if you're feeling fancy, maybe give the steer a little pep talk about how it's gonna be a tough few seconds before it's all over.

There are two elements which can have a filled outer electron shell with only two electrons, those being the first two elements on the periodic table: hydrogen and helium. Their outer shell is the frist shell, principal quantum number 1.

Also note that Hydrogen can also achieve a stable electron configuration with no electrons, in which case it consists of a single, naked proton.

Plutonium has 7 electron shells. In its neutral state, plutonium has 94 electrons, which are distributed across these 7 shells based on the rules of electron configuration. The electron configuration of plutonium is [Rn] 5f6 7s2, indicating the filling of the 5f and 7s orbitals before moving on to the next shell.

Elements with a lower proton number than fluorine on the periodic table include elements such as helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, and neon. These elements have fewer protons in their nucleus than fluorine, which has 9 protons. The proton number, also known as the atomic number, determines the identity of an element on the periodic table.

The atomic number is the number of protons; 56. The mass number is the number of protons plus the number of neutrons, so 56+82=138.

The element is barium, by the way, because of the number of protons.