SAT, 29.12.2021 04:00 sunshine52577oyeor9
In a different experiment, a student places a piece of pure ba(s) in a beaker containing 250. Ml of 6. 44mhcl(aq) and observes that the rate of appearance of h2(g) bubbles when ba(s) was added is much faster than the rate of appearance of bubbles when the mg(s) was added. The student claims that the greater reactivity is due to the difference in ionization energy between mg and ba. Explain the difference in ionization energy between mg and ba in terms of atomic structure.
Answers: 2
SAT, 25.06.2019 22:00
Which statements about the two fossil images are correct? 1. cave bears are ancestors of plateosaurus. 2. plateosaurus were present on earth before ostracoderms. 3. ostracoderms were the first to die. 4. plateosaurus died after the ostracoderms. 5. cave bears are the oldest fossils.
Answers: 1
SAT, 29.06.2019 01:00
Balanced rock sits on a thin spike of rock in a canyon what forces keep the rock balanced on its tiny pedestal
Answers: 1
SAT, 29.06.2019 12:00
Which of the following sentences uses an incorrect verb? a. there is only one good candidate. b. many good candidates are possible. c. a good candidate is hard to find. d. there is many possible candidates.
Answers: 1
In a different experiment, a student places a piece of pure ba(s) in a beaker containing 250. Ml of...
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