K,F potassium , fluorine form ionic bond,
Answer:
Elements in a period have wide range of chemical properties.
Explanation:
- Period is the row of chemical elements's arrangement in the periodic table. It is numbered from 1 to 7.
- In period as we move towards right the atomic number of element constantly increases along with the change in chemical properties.
- As we move from left towards right in period, the valence electron number regularly increases in every element.
- This valence electron differs the reactivity of the elements.
It’s not flat because how can we be 3D when our planet is flat
Answer:
cell
Explanation:
here are all the symbols-
hope this helps, take care and stay safe
Answer:
The answer is the kinetic energy of sled B after it crash is 6439j.
