Chemistry, 26.07.2019 22:00 lizzieee04
Describe how hydrogen and oxygen form water. hint: remember that a water molecule contains two hydrogen atoms and one oxygen atom.
Answers: 1
Chemistry, 21.06.2019 22:30, tot92
Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown
Answers: 1
Chemistry, 22.06.2019 02:10, kakesheco4210
What approach is required to balance the objectives of sustainable development? balancing the objectives of sustainable development requires a(n) .
Answers: 3
Chemistry, 22.06.2019 03:30, acaciacoats
The atomic radius of sodium is 186 pm and of chlorine is 100 pm. the ionic radius for na+ is 102 pm and for cl– is 181 pm. in going from na to cl in period 3, why does the atomic radius decrease while the ionic radius increases? a. the inner electrons in the sodium cation shield its valence electrons more effectively than the inner electrons in the chloride anion do. b. the inner electrons shield the valence electrons more effectively in the chlorine atom than in the chloride anion. c. the outermost electrons in chloride experience a smaller effective nuclear charge than those in the sodium cation do. d. the outermost electrons in chloride experience a larger effective nuclear charge than those in the sodium cation do. e. monatomic ions are bigger than the atoms from which they are formed.
Answers: 2
Chemistry, 22.06.2019 09:00, tashaunalewis4786
This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.
Answers: 1
Describe how hydrogen and oxygen form water. hint: remember that a water molecule contains two hyd...
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