XY2 bilesiginde elementlerin kutlece birlesme orani mX/mY=3/8'dir. Buna göre, 32 gram Y elementi ile yeterince X elemen-
tinin tepkimesinden kaç gram XY2 bileşiği elde edilir?​

the first point, i am pretty sure.

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

ill try to . no promises tho.

explanation: