The answer is protons and electrons! Hope this helps :D
Answer:
The second column on the periodic table of the chemical elements is collectively called the alkaline earth metal group: beryllium, magnesium, calcium, strontium, barium, and radium. Because the outer electron structure in all of these elements is similar, they all have somewhat similar chemical and physical properties.
Explanation:
Lithium Oxide
I just search it up to be honest
Answer:
half-life of 5,700 ± 40 years
Explanation:
Wish I can help, but I don't take chemistry. :(
fly sry
