system when boiling water with the lid on top
What is closed system?
negative charge
What is electron?
left column of the periodic table
What is Alkali Metal?
metal + non metal
What is Ionic Bond
ammonium
What is polyatomic ion?
Number of layers of the earth
What is four?
colors in firework display
What is minerals?
1s22s22p63s23p64s2
What is calcium?
non metal + non metal
What is Covalent bond?
mono
What is one?
energy can neither be created nor destroyed
What is law of conservation of energy?
Large number in periodic square
left block of periodic table
What is p block?
two elements sharing a bond
di
two
potential energy to kinetic energy
What is potential energy released?
chemical energy frequencies
What is emission spectrum?
Hydrogen, Lithium, Sodium block
What is s block
elements sharing two bonds
What is double bond?
penta
five
Exothermic reaction
What is creating heat?
Associated with atomic orbital
What is electron cloud?
-1 valence electron
What is Halogens?
shows the valence electrons of a molecule or polyatomic ion
What is lewis dot structure?
tetra
four