SAT Subject Test Chemistry,10 edition

The third quantum number is the magnetic quantum number and is designated ml. An orbital is a specific region wi ...

The two spin orientations are designated and . Whenever two electrons are in the same orbital, they mu ...

Electron Configuration and Orbital Filling For a given atom or ion, the pattern by which orbitals are filled ...

To determine which subshells are occupied, you must know the number of electrons in the atom. In the case ...

The presence of paired or unpaired electrons affects the chemical and magnetic properties of an atom or m ...

Review Questions 1 . The Mg2+ ion has how many electrons? (A) 12 (B) 10 (C) 14 (D) 24 2 . It can be shown using m ...

(A) s (B) s and p (C) s, p, and d (D) s, p, d, and f 5 . The total number of electrons that could be held ...

(A) 2 p (B) 3 s (C) 3 d (D) 4 s (E) 3 p 9 . Which of the following correctly represents an excited state of scandium ...

Answer Key REVIEW QUESTIONS 1 . B 2 . 35.5 3 . D 4 . B 5 . D 6 . C 7 . A 8 . A 9 . C ...

Answers and Explanations REVIEW QUESTIONS 1 . B Magnesium has an atomic number of 12, meaning that a neutral a ...

sublevel, with 5 orbitals (ml = –2, –1, 0, 1, 2), is capable of holding a maximum of 5 × 2 or 10 elect ...

Chapter 4 The Periodic Table The periodic table arranges the elements in increasing atomic numbers. Its s ...

Valence Electrons and the Periodic Table The valence electrons of an atom are those electrons that are in ...

the s subshell of the outermost energy shell, the d subshell of the next-to-outermost energy shell, and the f ...

Periodic Trends of the Elements The properties of the elements exhibit certain trends, which can be explained in t ...

be found farther from the nucleus as the number of filled energy shells increases. Thus, the atomic radius will ...

have high electron affinities because the addition of an electron to the atom results in a completely f ...

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Types of Elements The elements of the periodic table may be classified into three categories: metals, located o ...

Most nonmetals share the ability to gain electrons easily (i.e., they tend to form negative ions), ...