They are all stable and have eight valence electrons
Answer:
A group of dissimilar elements with a net charge remaining is called a polyatomic ion.
Explanation:
Answer:
At a stream's headwaters, often high in the mountains, gradients are steep. The stream moves fast and does lots of work eroding the stream bed.As a stream moves into lower areas, the gradient is not as steep. Now the stream does more work eroding the edges of its banks.
hope that helps bby<3
Answer:
Density of the substance is 0.7
Explanation:
4.2/6 = 0.7
