periodic table
what charge does a proton have?
positive charge
what is electron configuration?
the mapping out of electrons of an element or an atom.
what is a gram
a unit of measure, usually weight
name all the gas laws
boyle's, Charles, advagadro, ideal, Gay-Lussac
whats an ion?
a charged particle
what are valence electrons?
the electrons on the outermost shell.
what are the four blocks of the periodic table?
s block, p block, d block, and f block
how many moles 40 g of K?
40g/1 1 mole/39g K=39
1.02moles
what are the two main things used in Boyles's law
pressure and volume
what is an isotope?
an atom with more neutrons than protons
what is different about every element on the periodic table (two answers)
weight and number
what is the ground state
the bottom ring that contains low energy
How many molecules are in 3 moles?
3 moles/1 x 6.02 x 1023/1
1.806 x 1025
what is the equation for avogadro's law
v1/n1=v2/n2
(n means moles)
how many molecules are in 3 moles?
1.806 x 1023
what is ionization energy?
the ability to clip off an electron
what is a quantum number
jumping from the ground state into another ring
what is the empirical formula?
the smallest formula
change celsius to kelvin
6.00L/20.0 = 4/x
13.3 kelvins
what are the steps for a lewis dot structure?
step 1:calculate the total number of valence electons
step 2: choose a central atom
step 3: place a bond between each element and make sure the number of electrons add up
what is the most electronegative electron?
fluorine
what shape is a p orbital
figure-8
what is the equation for a molecular formula?
the molar mass of mol. formula/ molar mass empirical formula
a gas occupies 11.2L at 0.860 atm. What is the pressure if the volume becomes 15L?
0.64L
what is an ionic compound and its rules?
1.) determine if the compond is ionic or covalent bond
2.) use the metal name and use the nonmetal name changing the suffix from "ine" to "ide"
ionic compound: a bond between a metal and a non-metal