Their Period number is common means their "Principal Quantum Numbers" are same
Hope this helps!
Answer:
The answer is compound
Explanation:
heterogeneous mixture is wronggggg
Answer:
It is neither false nor true. When they collide some of one of the objects goes to the other object.
Explanation:
Answer:
Left to right and top to bottom
Explanation:
On the periodic table, the properties repeat from left to right and from top to bottom.
Periodic properties have a pattern from the top to the bottom or down a group or family.
Also, across the period from left to right, they also show a repeating pattern.
- Certain properties increase from left to right and decreases from top to bottom. E.g. electronegativity.
- Also, some properties decreases from left to right and increases from top to bottom e.g. atomic radius.
