Is it 350.4, I assume?
Answer:
boring
Explanation:
without meaning
38
Symbol: Sr
Atomic mass: 87.62 u
Electrons per shell: 2,8,18,8,2
Atomic number: 38
Electron configuration: [Kr] 5s2
Van der Waals radius: 255 pm
Valence electrons: two
Answer: a
Many bubbles formed after mixing.
