Chemistry Quiz Review. #1: What is needed to break chemical bonds??

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Presentation transcript:

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

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