Periodic Table
In the ________ the elements have similar chemical properties and identical valence electron configuration
What are the groups?
In this kind of bond, the electrons are transferred between atoms and what keeps the molecule together are the electrostatic forces.
What is ionic bond?
In these compounds, hydrogen is working with a negative valency of -1 instead of the positive +1, and combines with other metals
What are hydrides?
This constant represent the number of particles in 1 mole of any substance
What is Avogadro's number?
It is the concentration of a solution with 0.76 moles of V(OH)2 (Vanadium(II) hydroxide) dissolved in 48 ml of water.
What is 15.83 M?
Originally, these groups of elements were named group A and numbered in Roman numerals, e.g. (IA, IIA.... VIIIA)
What are the representative elements?
In this notation, the electrons of an element are represented as dots around the chemical symbol of the element.
What is Lewis notation?
It is the name of H2SO2
What is hyposulfurous acid?
The amount of grams that are in 2.56 moles of AuClO
What is 636.16 g/mole?
it is the volume of a solution where was dissolved 0.24 moles of H3PO4 (Phosphoric acid) and the concentration obtained was 0.87 M.
What is 0.276 liters?
It is a quantitative measurement and determines the amount of energy needed for removing an electron from the valence shell.
What is ionization energy?
Molecules, with this kind of bonds, can be dissolved in water or organic solvents and cannot conduct electricity nor heat.
What are covalent bonds?
The valency of copper in Cu(ClO3)2
What is +2?
How many molecules of AgNO3 are in 40.5 grams of the same compound?
What is 1.435x1023 molecules of AgNO3?
In a solution, you are dissolving 0.64 moles of MnS2 (Manganese(IV) sulfide) in 0.375 liters of water. How many grams of MnS2 are needed for preparing the solution?
What is 75.86 g?