Which of the following statements is not correct? 0.20 mole of o2 = 6.4 g 0.75 mole of h2co3 = 47 g 3.42 moles co = 95.8 g 4.1 moles li2o = 94 g

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

answer:

technetium is the most reactive. this is followed by silver. the least reactive out of these three elements is strontium.

since electrons are negative the answer is neagtaive