Answer:
Isotopes are variants of an element, where the number of neutrons is different but its number of protons stay the same.
Explanation:
If the number of protons had changed then it would just be a different element.
Electron number changing simply adds charge to the atom, and doesn't change it or anything.
PLS GIVE BRAINLIEST
Answer:
helium
Explanation:
helium has the highest ionization energy level
By circle fraction additional number for the number
Answer: 157.8 g
Explanation: I hope this help my child UwU
What is the weight of the ethyl alcohol that exactly fills a 200.0 mL container the density of ethyl alcohol is 0.789 g ml?
Density review
A
B
What is the weight of the ethyl alcohol that exactly fills a 200.0 mL container? The density of ethyl alcohol is 0.789 g/mL.
g = (0.789 g/mL) (200.0 mL) = 158 g
