Answer:
5 mph
Explanation:
100 miles, 20 hours (divide by 2)
50 miles, 10 hours (divide by 2)
25 miles, 5 hours (divide by 2)
divide both sides by 5
5 miles, 1 hour
Answer:
Explanation: Carbon and silicon BOTH come from Group 14 of the Periodic Table , i.e. both formally have the same number of valence electrons, 4 such electrons.........
Answer:
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Answer:
A. electromagnetic energy.
B. thermal energy.
C. solar energy.
D. mechanical energy.
Explanation:
Answer:
Lithium looses one electron.
The charge - 
- Cation
Nitrogen gains three electrons - 
- Anion
Boron losses three electron.
The charge - 
- Cation
Explanation:
Lithium looses one electron.
The charge - - Cation
Nitrogen gains three electrons - - Anion
Boron losses three electron.
The charge - - Cation
The complete table is as follows.
