Answer:
Plutonium is the second transuranium element of the actinide series.
Answer: 1and 4
Explanation: iron is an element not an alloy. An ionic lattice is not bonded covalently.
You just need to know the amount of valance electrons in each element or you can search up “How to do lewis diagrams.”
Answer: solid chemicals in waterharden and form rocks
Explanation: