Chemistry, 28.07.2019 14:40 Theresab2021
An element is a solid at room temperature but soft enough to be cut with an ordinary knife. when placed in water, the element reacts violently. what element is it? an element is a solid at room temperature but soft enough to be cut with an ordinary knife. when placed in water, the element reacts violently. what element is it?
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Chemistry, 22.06.2019 00:40
Which is a difference between molecular compounds and ionic compounds? select the correct answer below: question 5 options: molecular compounds typically form between a metal and a nonmetal, while ionic compounds typically form between nonmetals. molecular compounds result from the transfer of electrons between atoms to form ions, while ionic compounds result from the sharing of electrons between neutral atoms. molecular compounds are formed of discrete, neutral molecules, while ionic compounds are formed of large repeating arrays of opposite charges. molecular compounds have high melting points and high boiling points, while ionic
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Chemistry, 22.06.2019 13:50
Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.
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An element is a solid at room temperature but soft enough to be cut with an ordinary knife. when pla...
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