Potential energy and height; best guess;)
Answer:
group 1 and are called Alkali metals. Similarly, very active non-metals are placed in group 17
Explanation:
Answer:
if an atom gains an electron, the ion has negetive charge
Answer: small, whole-number ratio
Explanation: 1) A compound consists of atoms of two or more elements combined in a small, whole-number ratio. In a given compound, the numbers of atoms of each of its elements are always present in the same ratio
Answer:
Carbon dioxide can be collected over water. Carbon dioxide is slightly soluble in water and denser than air, so another way to collect it is in a dry, upright gas jar.
Explanation:
