For the IMAGINARY molecular compound fluorine tri nitride having the formula: FN3
which of the following correctly describes the number of atoms in one single molecule?
OA) There are 3 atoms of fluorine for every 1 atoms of nitrogen.
OB) There are 4 atoms of fluorine for every 1 atoms of nitrogen.
OC) There is 1 atom of fluorine for every 1 atom of nitrogen.
OD) There are 1 atoms of fluorine for every 3 atoms of nitrogen.

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

b. examine and describe cells