Answer:
Na^+
Explanation:
The symbol for sodium is Na. The term "sodium ion" assumes that the reader knows that sodium's single 3s electron is susceptible to theft by any nearby element that has a high electron affinity. Sodium's ionization energy is low, allowing the 3s electron to move elsewhere and leave behinf a positively charged Na^+ atom.
Are you gonna list the ppl?
No it does not, density is the ratio of the mass of an object to its volume.
Answer: 150 J
Explanation: kettle also warms up and heat is transferred in surroundings. Amount of heat remains same. Then 1000 J -850 J for water = 150 J