Q14: Our sun
Q15: The strong magnetic reaction in our atmosphere
Group 7a would have an ion charge of -1 because it has 7 valence electrons and it wants to gain one more electron(which is negative) to have a full shell of 8
Answer:
Element
Explanation:
Because elements can be made with only one atom the rest of the answers cant be
Answer:
Option D - 10,000 years ago in the Middle East
