Answer:D all of the above
Explanation:
I got it right
Answer:
thanks for extraaaaaa points
misty here
Answer:
Carbon atoms
Explanation:
Mass no. of an element= no. of protons + no. of neutrons = 6 + 7 = 13
Atomic no. = no. of protons/electrons = 6
There is an unbalanced situation between the neutron no and proton no. so this has to be an isotope of Carbon-12, and this element is Carbon-13.
Answer:
他當選,出租車上的詹姆斯敦是一個關於酒吧和平的問題,條形圖中的詹姆斯敦不知道他們在哪裡