The outer electron shell is known as a(an) ________.
A) Unstable shell
B) Distant ring
C) Valence ring
D) None of these
C) Valence ring
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? Identify and state the historical significance of William Crawford.
What will be an ideal response?
Answer the following statement(s) true (T) or false (F)
1. The three quantities E, I, and R are not related to one another in a significant way. 2. German scientist Georg S. Ohm stated that the current (I) is inversely proportional to the voltage (E). 3. German scientist Georg S. Ohm stated that the current (I) is directly proportional to the resistance (R). 4. Current goes up when voltage goes up with a constant R. 5. Current goes down when resistance goes down with a constant E.
Voltage sources connected in series result in the total voltage ___________ but the ___________ flow remains the same.
a. increasing, current b. decreasing, current c. increasing, voltage d. decreasing, voltage
How does ethephon differ from other chemical plant growth regulators?
A. It affects root growth instead of stems. B. It is applied as a powder. C. It does not block gibberellin synthesis. D. It lasts much longer.