For which of the following elements (in their normal, stable, forms) would it be correct to describe the bonding as involving electrons that move about quite freely and are held weakly by many atoms? hydrogen helium sulfur iodine aluminum
For which of the following elements (in their normal, stable, forms) would it be correct to...
for which of the following elements (in their normal, stable, and forms) would it be correct to describe the bonding as involving a "sea of electrons"? can you give me the correct answers for these two questions? QUESTION 11 For which of the following elements in their normal, stable, forms) would it be correct to describe the bonding as involving a 'sea of electrons"? A hydrogen B. nellum C. sulfur D. Iodine O Ethium QUESTION 2 When water rises in...
19. Which of the following statements regarding ionic compounds is correct? A) Ions are held together in an ionic lattice by covalent bonds. B) The crystal structure of a given compound does not depend on the sizes and number of ions in a formula unit of the compound. C) Ionic compounds tend to have low melting points. D) Ionic compounds are formed when two metals react. E) In forming an ionic compound from its elements, one element transfers one or...
25. Consider the elements aluminum and oxygen. aluminum охудеn Identify each as a metal or a nonmetal. State the number of valence electrons for each, State the number of electrons that must be lost or gained for each to achieve an octet. Write the symbol, including its ionic charge, and type of each resulting ion. 26. Which of the following pairs of elements are likely to form an ionic compound? Why? Yes/No Why? lithium and chlorine Oxygen and bromine potassium...
Using the terms bonding, energy and stability, explain occurring compounds, but only 90 naturally occurring elements. why there are millions of naturally Who Gives a Darn? I Do! In completing this activity, you have explored why hydrogen atoms combine to form diatomic hydrogen, and why helium atoms do not combine to form diatomic helium. In the Star Trek universe, star ships are propelled with dilithium crystals. Dilithium is possible to prepare, however, it is only known to exist in the...
which of the following elements forms a stable 2+ cation? Kr I Se Al Ba
) 5, which ofthe following statements about/resonance istrue? - A) Resonance forms are in equilibrium with each other. B) Resonance allows certain electron pairs to be delocalized over 2 or more atoms. C) Resonance forms differ in their arrangement of both atoms and electrons. D) All resonance forms of a molecule must contribute equally to the resonance hybrid. E) The more resonance forms a molecule has, the less stable the molecule. 6. What is the bond angle about atoms (I),...
Which of the following elements consists of molecules containing four atoms? Choose the correct answer below. a. fluorine b. sulfur c. phosphorus d. bromine e. none of these is correct
Question 23 Which of the following statements is or are incorrect? Hydrogen only requires two electrons in its valence shell when bonding It is possible for two atoms to share more than one pair of electrons, Covalent bonds occur between a metal and a nonmetal All elements try to acquire an octet of electrons in their valence shell when bonding. It is possible for two atoms to share more than one pair of electrons.
Which of the following elements would be expected to be particularly stable? Group of answer choices Be B C Li
Which list incudes elements with the most similar chemical properties? B) Cr, Pb, Xe 37) D) N, O, F O,S, Se C) As the elements in Period 3 are considered in order of increasing atomic number, there is a general decrease in C) atomic mass D) atomic radius A) first ionization energy B) electronegativity Element K reacts with chlorine to form an ionic compound that has the formula XCl,. To which group on the Periodic Table coul element X'belong? A)...