Chemistry Quiz Review
#1: What is needed to break chemical bonds??
ENERGY!!
#2: ________is the ability to burn in the presence of oxygen
Flammability
#3: the ability of a substance to combine with another substance is???????
Reactivity
#4: Energy cannot be ________ or _______
Created or destroyed
#5: In what reaction is energy released more than absorbed???
exothermic
#6: In what reaction is energy absorbed more than released???
endothermic
#7: Can you name how many atoms are in this formula??? Co N(Ti Mn )
Cobolt:4 Nitrogen:1 Titanium:15 Magnesium:10
#8: A ________ shows you how many atoms are in a molecule
formula