Answer:
Silver
Explanation:
I remember this because Ag can mean "Ain't Gold"
A lithium atom has 3 protons and 3 electrons. It can lose one of its electrons, making it an ion. It now has more positive protons than electrons so it has an overall positive charge. Overall charge is +1
Answer:
The answer is B an open system allows energy and mass to move in and out of it
Hope it helps
Group 8 elements. They are unreactive and stable
