A scientist collected data in 10 trials comparing tired students' and awake students' test scores.
Trial Tired Average
Score
| 34%
2 56%
3 60%
4 58%
Awake Average
Score
67%
88%
90%
86%
Which trial was the least precise and is unlikely to be reproducible?
o
O
Trial 1
Trial 2
Trial 3
Trial 4
O
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Suomet

since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.

un recipient conține 6,4 moli de gaz. gazul hidrogen reprezintă 25% din totalul kilometrilor din container. în cazul în care presiunea totală este de 1.24 atm ceea ce este