Chemistry, 12.04.2021 23:00 adriandehoyos1p3hpwc
Carbon can be burned in oxygen to produce CO2 gas. Sand and quartz are two common forms of SiO2, which makes up over half of the Earth’s crust. Name two other elements (X) that are likely to form a compound with the formula XO2.
Answers: 2
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Compare and contrast physical changes with chemical changes.
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Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 1
Carbon can be burned in oxygen to produce CO2 gas. Sand and quartz are two common forms of SiO2, whi...
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