Chemistry, 01.02.2022 07:00 smariedegray
Which characteristic does lithium, carbon and fluorine have in common:
1. They belong to the same group
2. They have the same number of valence electrons
3. They are all non-metals
4. Their atoms have the same number of energy levels
Answers: 3
Chemistry, 22.06.2019 06:00
24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm
Answers: 2
Chemistry, 22.06.2019 12:00
An atom's configuration based on its number of electrons ends at 3p4. another atom has seven more electrons. starting at 3p, what is the remaining configuration? 3p63d34s2 3p43d54s2 3p64s23d3 3p44s23d
Answers: 3
Chemistry, 22.06.2019 19:50
When the mercury level in a barometer decreases that atmospheric pressure has
Answers: 3
Which characteristic does lithium, carbon and fluorine have in common:
1. They belong to the same...
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