Biology, 22.11.2019 00:31 ap03baller
Based on the information in the table, which elements are most likely in the same periods of the periodic table? a table with 5 columns and 5 rows labeled facts about 4 elements. the first column labeled element has entries aluminum (a l), boron (b), carbon (c), gallium (g a), germanium (g e). the second column labeled atomic mass (a m u) has entries 27, 11, 12, 70, 73. the third column labeled total electrons has entries 13, 5, 6, 31, 32. the fourth column labeled valence electrons has entries 3, 3, 4, 3, 4. the fifth column labeled year isolated has entries 1825, 1808, 1803, 1875, 1886. boron and carbon are likely together in one period because they have very close atomic numbers, while gallium and germanium are likely together in another period because they have very close atomic numbers. aluminum, boron, and carbon are likely together in one period because they were first isolated in the first half of the 1800s, while gallium and germanium are likely together in another period because they were first isolated in the second half. boron and carbon are likely together in one period because they each end in “-on,” while aluminum, gallium, and germanium are likely together in another period because they each end in “-ium.” aluminum, boron, and gallium are likely together in one group because they have the same number of valence electrons, and carbon and germanium are likely together in another group because they have the same number of valence electrons.
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Biology, 21.06.2019 19:40
In german cockroaches, curved wing (cv) is recessive to normal wing (cv+). bill, who is raising cockroaches in his dorm room, finds that the frequency of the gene for curved wings in his cockroach population is 0.6. in his friend joe’s apartment, the frequency of the gene for curved wings is 0.2. one day joe visits bill in his dorm room, and several cockroaches jump out of joe’s hair and join the population in bill’s room. bill estimates that, now, 10% of the cockroaches in his dorm room are individual roaches that jumped out of joe’s hair. what is the new frequency of curved wings among cockroaches in bill’s room? 0.69 0.4 0.5 0.31 0.20
Answers: 1
Biology, 22.06.2019 06:10
Long-period comets come from the oort cloud particles in earth’s atmosphere material from the asteroid belt the kuiper belt
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Based on the information in the table, which elements are most likely in the same periods of the per...
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