How many hydrogen atoms are in an acyclic alkale with 3 carbon atoms?

a) 8, b) 6

Explanation:

CH3 -CH2-CH3         8 H atoms

CH2 - CH2      6 atoms

 \         /

     CH2

iron and sleel

make siroeel

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