The model below represents water. Y
Х
N
Based on the labels, what is the best description of this model?
A. X represents a molecule; Y represents a particle; Z represents an atom of water
B. X and Y represent atoms; Z represents a molecule of water
C. X represents an atom; Y represents a molecule; Z represents a particle of water
D. X and Y represent molecules; Z represents an atom of water

out of these options:

ability to burn paper

pure sodium reacting violently with water

the boiling point of water

helium does not tend to react with anything

i would say this is a physical property:

helium does not tend to react with anything

why? :

i said helium does not tend to react with anything because well, it reacts to ! but ability to burn paper, pure sodium reacting violently with water, & the boiling point of water are chemical or

physical properties: the properties of a substance that can be observed without changing the chemical makeup of the substance

chemical properties: properties of a substance relating to the chemical nature and reactivity of the substance

i'm assuming that it's c.) red bank..