Sergei's question is a scientific question because it's based on observations and could be answered through an investigation. His question has a narrow focus, addresses a gap in his knowledge, and may lead to a hypothesis that can be tested.
Sergei’s question is a scientific question. The question is based on observations. The question could be answered through an investigation. The question has a narrow focus. The question addresses a gap in Sergei’s knowledge. The question may lead to a hypothesis that can be tested.
Explanation:
I would word this in your own way due to it being the exact sample response. Hope you do good on edge : )
Atoms of the same element that differ in their numbers of neutrons are called isotopes. Many isotopes occur naturally. ... Different isotopes of an element generally have the same physical and chemical properties because they have the same numbers of protons and elec
When heating lithium carbonate (Li2CO3), it will dissociate to Li2O and Co2. So the balanced chemical equation of this reaction is Li2CO3 = Li2O + CO2.