Answer:
<em>Valency is the combining power of an element. Elements in the same group of the periodic table have the same valency. The valency of an element is related to how many electrons are in the outer shell. The noble gases have the valency 0 as they do not usually combine with other elements.</em>
Explanation:
HOPE IT HELPS
Answer: a,b
Explanation: because a scientific theory is something that been thought of and tested multiple times.
4.6to the twelth power plus ten or something like that it has been a while since I have done the scientific notation but where ever you put in the number of zeros. is twelve
Answer:
Explanation:
6. Where on the graph does adding heat energy NOT raise the temperature?
What is the heat energy DOING if it's not raising the temperature? :its being compressed I believe its vaporizing
7. What is temperature A called? Freezing
8. What is temperature B called? Vaporizing
Answer:
A
Explanation:
No temperature change was observed, hence the change is neither exothermic nor endothermic. Hence the answer is A.
