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Chapter 4: Problem 28

Which particles in an atom are most responsible for the chemical properties of the atom? Where are these particles located in the atom?

Short Answer

Expert verified
Electrons, which are responsible for the chemical properties of an atom, are located in energy levels or electron shells outside the nucleus. These shells are made up of orbitals where electrons move around the nucleus containing protons and neutrons.

Step by step solution

01

Identification of Key Particles

The key particles in an atom that determine its chemical properties are electrons. These negatively-charged particles are involved in all chemical reactions, and they play a crucial role in determining the behavior of an element, including its ability to bond with other atoms.
02

Location of Electrons in an Atom

Within an atom, electrons are located in specific regions called energy levels or electron shells. These shells encompass the nucleus of the atom and are made up of one or more orbitals, which are the paths the electrons follow around the nucleus. The nuclear region contains protons (positive charge) and neutrons (no charge), while electrons (negative charge) are located outside the nucleus in these electron shells.

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Most popular questions from this chapter

Are most of the chemical elements found in nature in the elemental form or combined in compounds? Why?

Write the formula for each of the following substances, listing the elements in the order given. a. a molecule containing six carbon atoms and six hydrogen atoms b. a molecule containing two nitrogen atoms and four oxygen atoms c. a compound containing half as many calcium atoms as chlorine atoms d. a compound containing one iron atom for every three bromine atoms e. a compound containing equal numbers of sodium and nitrogen atoms, but three times as many oxygen atoms as there are sodium atoms f. a compound containing three calcium atoms for every two nitrogen atoms

Consider the following ions. For the positive ions listed, predict the formula of the simplest compound that would be expected to be formed between the given ion and the sulfide ion, \(S^{2-}\). For the negative ions listed, predict the formula of the simplest compound that would be expected to be formed between the given ion and the aluminum ion, \(\mathrm{Al}^{3+}\). a. \(\mathrm{Fe}^{3+}\) b. \(\mathrm{Fe}^{2+}\) c. \(\mathrm{O}^{2-}\) d. \(I^{-}\) e. \(R b^{+}\) f. \(P^{3-}\) g. \(\mathrm{Mn}^{2+}\) h. \(S n^{4+}\)

For each of the following elements, use the periodic table on the inside cover of this book to write the element's atomic number. a. \(\mathrm{Ni}\) b. copper c. Se d. cadmium e. \(S\) f. silicon g. \(\mathrm{V}\) h. xenon

Write the formula for each of the following substances, listing the elements in the order given. a. a molecule containing three carbon atoms and eight hydrogen atoms b. a compound containing two nitrogen atoms for every oxygen atom c. a compound containing half as many barium atoms as iodine atoms d. a compound containing aluminum atoms and also three times as many chlorine atoms as there are aluminum atoms e. a sugar whose molecules contain 12 carbon atoms, 22 hydrogen atoms, and 11 oxygen atoms f. a compound that contains twice as many potassium atoms as carbon atoms, and three times as many oxygen atoms as carbon atoms
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