Answer:
yes as you wish
Explanation:
but why have u asked this
Answer:
Allows diffusion of sub...(true)
its found in both anim...(true)
produces en...(false)
True.
For example: Sodium oxide and Nitric acid; both compounds contain oxygen.
Answer:
The vertical columns of the periodic table are called groups, or families. The significance is elements with similar properties are placed in the same vertical columns. The horizontal rows of the periodic table are called periods. The significance is that properties vary from left to right along the rows.
Explanation:
We just did this in science
Answer:
In general, atomic radius decreases across a period and increases down a group. ... Down a group, the number of energy levels (n) increases, so there is a greater distance between the nucleus and the outermost orbital. This results in a larger atomic radius.
