What is the isotope of fluorine? Is AlF3 polar or nonpolar? Based on electronegativity differences, which bond is a polar covalent bond? How does a lithium cation compare to a lithium atom? What is the general trend for electronegativity across a period and down a group on the periodic table...
What is noble gas notation? What is the isotope notation for carbon-14? How many valence shell electrons does the element carbon have? What is the orbital diagram for calcium? What is a bonding molecular orbital? What is the electron configuration of bohrium? What is molecular orbital theory?
What does 'sea of electrons' mean? What charge would an ion that has 11 protons, 11 neutrons, and 10 electrons would have? What is the definition of a diamagnetic atom? How to calculate formal charge from Lewis structure Which part of an atom is positively charged, and which part is neg...
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What does an inverse operation have to do in the current discussion? I think that the matrix corresponding to the momentum operator is all zero except from two diagonals. The one above and the one below the "middle" diagonal(i hope you understand! :) ). The one of the two is all 1...
E(X)² means the the square of the avarage value of X whereas 3(5+6)² does not mean the square of 3*(5+6) But I quicky realized that it was the most precise way of expression, but you have to be very very careful with the placement of the brackets. I'm also a bit ...
What does the scale factor mean for comparing polygons? Classify the following variable as quantitative, ordinal, or categorical: Body weight (kg). How do you determine the magnitude of acceleration for 2 masses on a pulley? What is the best approach in figuring out the respective ...
"Remember that each orbital has two electrons and the number of orbitals at an energy level depends on the first two quantum numbers." What does this mean? How does an atom try to fill its valence shell? The configuration (2s)2(2s*)2(2py)1(2px)1 is the molecular orbital d...
a) What does the average atomic mass of an element represent? b) What unit is used for average atomic mass? Express the atomic mass unit in grams. How to find the average atomic mass? If the average atomic mass of a chlorine at...
What does it mean for one force to be stronger than another? Which of these energy technologies does not rely on a generator to produce electricity? (a) Wind turbine (b) Dynamo (c) Photovoltaic cell (d) Nuclear reactor. What are the two opposing forces at balance in our sun? Descr...