Non metal atoms got this from google btw
Answer:
1+
Explanation:
the number of protons tells you which element it is in the periodic table, you can notice that there is 1 less electron that then there is protons which means that the element had to give 1 electron away. When you get rid of 1 e- you have 1 proton more that electrons so that's why it's 1+
also the element is Cr
Answer:
They start with the planet furthest from us then go down the line of how many miles from us it is. Mars and Venus are the closests to us.
Explanation:
Its showing miles away it is and how fast it rotates and scientists study and analyze that.
The oxidation number of P in Mg3P2 is 3. When writing ionic compounds, you swap the oxidation numbers and add them as the subscript.