Answer:
Hydrogen(H) and Heluim(He)
Explanation:
These are the only two valennce electrons and 1 energy levels.
Answer:
attractive force
Explanation:
hope this helps, pls mark brainliest :D
Most acidic: solution B, pH = 1
Most Basic: solution C, pH = 13
Least acidic: solution A, pOH = 1
I *think* through weathering and erosion. Hope this helped
A convergent plate boundary is formed when tectonic plates collide