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Which atom in the ground state has an outer- most electron with the most energy?*
In the wave-mechanical model of the atom, an orbital is the most probable location of*
What is the total number of valence electrons in a germanium atom in the ground state?*
An orbital is defined as a region of the most probable location of*
According to the wave-mechanical model, an orbital is defined as the*
In the ground state, an atom of each of the elements in Group 2 has a different*
Which term identifies the most probable location of an electron in the wave-mechanical model of the atom?*
Which element has atoms in the ground state with the greatest number of valence electrons?*
In the ground state, all atoms of Group 15 elements have the same number of*
In the ground state, valence electrons of a krypton atom are found in*
Base your answers to questions 11 on the information below and on your knowledge of chemistry.
There are six elements in Group 14 on the Periodic Table. One of these elements has the symbol Uuq, which is a temporary, systematic symbol. This element is now known as flerovium.
State the expected number of valence electrons in an atom of the element flerovium in the ground state.*
Base your answers to questions 12 on the information below and on your knowledge of chemistry.
Rubidium and iodine have different chemical and physical properties. Some of these properties are shown in the table below.
Compare the atomic radius of an atom of iodine to the atomic radius of an atom of rubidium when both atoms are in the ground state.*
Base your answers to questions 13 on the information below and on your knowledge of chemistry.
Periodic trends are observed in the properties of the elements in Period 3 on the Periodic Table. These elements vary in physical properties, such as phase, and in chemical properties, such as their ability to lose or gain electrons during a chemical reaction.
Identify the element in Period 3 that requires the least amount of energy to remove the most loosely held electrons from a mole of gaseous atoms of the element in the ground state.*
Base your answers to questions 14 on the information below and on your knowledge of chemistry.
The Bohr model of the atom was developed in the early part of the twentieth century. A diagram of the Bohr model for one atom, in the ground state, of a specific element is shown below. The nucleus of this atom contains 4 protons and 5 neutrons.
State the number of electrons in each shell in this atom in the ground state.*
Base your answers to questions 15 on the information below and on your knowledge of chemistry.
The table below shows data for three isotopes of the same element.
State the number of valence electrons in an atom of isotope D in the ground state.*
