Pl
i need a 100% positive answer
which of these groups of animals are exti...
Chemistry, 03.02.2020 13:46 kenzyxyz2127
Pl
i need a 100% positive answer
which of these groups of animals are extinct?
(a) polar bears
(b) killer whales
(c) dinosaurs
(d) sea turtles
don't do it for the points pl
Answers: 3
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Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture
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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
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Which one of the following substances would be the most soluble in ccl4? na2so4 h2o ch3ch2ch2ch2oh c4h10 hi
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