Answer:
Elements in the same period have the same number of electron shells; moving across a period (so progressing from group to group), elements gain electrons and protons and become less metallic. This arrangement reflects the periodic recurrence of similar properties as the atomic number increases.
Explanation:
The Periodic Table can predict the properties of new elements, because it organizes the elements according to their atomic numbers. ... They hope that the two nuclei at the centre of these atoms will fuse and form a heavier nucleus. When these heavy elements form, they are usually highly unstable.
<span>the speed of something in a given direction. so i think none of these</span>
The gas that gives Neptune and Uranus its amazing blue color is methane
Answer:Force is to the right
Explanation: because the right side has 75N compared to the 25N on the left.
