Chemistry, 20.10.2019 17:30 20heldmadison
Which is true of all covalent compounds? a). they share electrons in bonds. b). they are electrically charged. c). they are good conductors in water. d). they are usually made of a metal and a nonmetal.
Answers: 1
Chemistry, 22.06.2019 04:00
Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity
Answers: 1
Chemistry, 22.06.2019 05:00
1)each group 16 element has how many valence electrons? ( )4 ( )6 ( )8 ( )16 2)how many dots appear in the dot structure for calcium ion, ca2+? ( )zero ( )one ( )two ( )eight 3) which of the following atoms forms a cation to obtain an octet of outer shell electrons? ( )magnesium ( )oxygen ( )fluorine ( )helium 4) an al3+ ion contains 13 protons and 10 electrons. ( )true ( )false 5) valence and non-valence electrons are represented in lewis dot structures. ( )true ( )false
Answers: 3
Chemistry, 22.06.2019 14:30
Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.
Answers: 1
Chemistry, 22.06.2019 19:30
If 16.00g of hydrogen gas reacts with 126.73g of oxygen, how many grams of water are yielded? (both reactants are completely consumed in the reaction.)
Answers: 2
Which is true of all covalent compounds? a). they share electrons in bonds. b). they are electrical...
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