Chemistry, 23.10.2020 16:40 fatumasiraj
Which sequence of atomic numbers represents elements that have similar chemical properties?
3, 12, 2, 40
4, 20, 38, 88
19, 23, 30, 36
9, 16, 33, 50
Answers: 2
Chemistry, 21.06.2019 18:30, tae8002001
How much energy moves onto the next level, in an energy pyramid
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Chemistry, 22.06.2019 01:30, jusicca1109
100 points answer quick 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
Chemistry, 22.06.2019 03:10, josephpezza18
The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.
Answers: 1
Which sequence of atomic numbers represents elements that have similar chemical properties?
3, 12,...
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