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All electrons orbit the nucleus of an atom at the same level. True or false?
False. Electrons in an atom are not all at the same energy level or orbit. They occupy different energy levels or orbitals around the nucleus, with each level accommodating a specific number of electrons based on the atom's configuration.
Is it true or false every element has the same valence?
False. Elements have different numbers of valence electrons, which determines their reactivity and chemical properties. The valence electrons are the electrons in the outermost energy level of an atom.
Is it true or is it false Ionization energy is a measure of the ability of atoms to attract electrons within a bond?
False. Ionization energy is the energy required to remove an electron from an atom to form a cation. It is not a measure of the ability of atoms to attract electrons within a bond, but rather a measure of the atom's ability to hold onto its own electrons.
True or false Covalent bonds can best be describe as a swapping of electrons?
False. Covalent bonds involve the sharing of electrons between atoms, not the swapping of electrons.
An electron in an orbital that penetrates closer to the nucleus will always experience more shielding than an electron in an orbital that does not penetrate as far?
False. Shielding is determined by the presence of other electrons between the nucleus and the electron in question, not solely by the distance from the nucleus. Even if an orbital penetrates close to the nucleus, if there are other electrons in higher energy orbitals shielding it, the shielding effect can be significant.
All electrons orbit the nucleus of an atom at the same level. True or false?
False. Electrons in an atom are not all at the same energy level or orbit. They occupy different energy levels or orbitals around the nucleus, with each level accommodating a specific number of electrons based on the atom's configuration.
Does an electron absorb energy and make a transition to a higher energy orbital when the solution it is in is being heated?
Yes, when an electron absorbs energy (e.g., from heating the solution), it can transition to a higher energy orbital. This is because the extra energy provides the electron with the necessary boost to move to a higher energy state.
Is it true or false every element has the same valence?
False. Elements have different numbers of valence electrons, which determines their reactivity and chemical properties. The valence electrons are the electrons in the outermost energy level of an atom.
Is it true or is it false Ionization energy is a measure of the ability of atoms to attract electrons within a bond?
False. Ionization energy is the energy required to remove an electron from an atom to form a cation. It is not a measure of the ability of atoms to attract electrons within a bond, but rather a measure of the atom's ability to hold onto its own electrons.
Is it true or false that the amount of energy produced for each kilogram of uranium is about the same as the amount of energy from a kilogram of coal?
False. The amount of energy produced for each kilogram of uranium is significantly higher than the amount of energy from a kilogram of coal. Uranium has a much higher energy density compared to coal, making it a more efficient and powerful source of energy.
For atoms of most elements the outer energy is filled when it has 8 electrons true or false?
true
Is it true or false that temperature is the total energy in all of the particles in an object?
nope. ther'es protons and electrons to worry about too
A noble gas such as helium tends not to form compounds with other elements because its outer energy level is missing two electrons true or false?
FALSE.
When temperature increase the average kinetic energy of the particles decrease true or false?
False. When temperature increases, the average kinetic energy of the particles also increases. This is because higher temperature means that the particles are moving faster and with more energy.
True or false the greater the distance of an electron from the nucleus the less energy it has?
Electrons exist in orbitals around the nucleus of an atom. It takes energy to knock an electron from the orbital it is in to an orbital a greater distance from the nucleus. The electron gives off energy when it falls closer to the nucleus. A Danish Scientist named Niels Bohr figured it out.
Photosynthetic bacteria obtain energy by removing electrons from inorganic molecules is true or false?
True. Photosynthetic bacteria obtain energy by removing electrons from inorganic molecules through a process called photosynthesis. This allows them to generate ATP and ultimately produce organic compounds for their growth and metabolism.
Oxidation involves the gain of electrons for a substance. true or false?
False. Oxidation involves the loss of electrons for a substance.
