4.) D
10.) C
12.) D
13.) D
14.) D
15.) D
Answer:
They are the same as one parent :)
Explanation: that is why we have more yellow corn than black corn because people planted only yellow corn to make more yellow corn :D
Answer:
2NaCN + CaCO3 --> Na2CO3 + Ca(CN)2
Explanation:
Knowing the names gets us: NaCN + CaCO3 --> Na2CO3 + Ca(CN)2
Balance: there are two sodiums and cyanides on the product side so add a 2 to the reactant side.
Answer:
If you change the number of neutrons somehow, nothing will happen because it carry's no charge at all.
Explanation:
The answer is B) gain 8 electrons