The tiny positive<span> core of </span>an atom<span>; contains protons and neutrons. the paths in which electrons circle the nucleus according to the Bohr model. building blocks of matter represented by a symbol. </span>
Answer:
If you are given with the atomic number of an element you can find it's period number and group number. The period number is related to the number of electron occupied shells in the element and the period number is linked to its valence electrons.
Explanation:
hope it helps luv <3
Here are 5 different types of everyday gases people use.
1. Helium helps us blow up balloons for special occasions.
2. Carbon dioxide gives us carbonated drinks.
3. Oxygen helps us weld materials.
4. Propane helps us start fires, or heats things.
5. Butane is in our everyday fire lighters/starters and even torches.
Hope I could help! :)
