Answer:
It means like, cells are like the base for every living thing.
Explanation:
The smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane. Microscopic organisms typically consist of a single cell, which is either eukaryotic or prokaryotic.
HOPE THIS WAS HELPFUL!!!
Lithium is atomic number 3, so it has valency 1
While, Bromine is atomic number 35, and has valency 1
Lithium has an extra electron while Bromine need an electron, since they both need and have one electron, the form
LiBr (Lithium Bromide) where Li is +ve charged and Br is -ve charged
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Answer:
Isotopes are atoms with the same number of protons, but different numbers of neutrons.
Explanation:
Ex.
Ne 20/10
Ne 21/10
Ne 22/10
*the number of protons in an atom must stay the same or the element itself will change drastically
Those areas are the coldest because there are the farthest away from the equator.
Hope this helps!
Answer:
![2.4\times 10^{-8} C](https://tex.z-dn.net/?f=2.4%5Ctimes%2010%5E%7B-8%7D%20C)
Explanation:
We are given that
Distance between two tiny particles=d=1mm=![1\times 10^{-3} m](https://tex.z-dn.net/?f=1%5Ctimes%2010%5E%7B-3%7D%20m)
Force,F=5 N
We have to find the magnitude of the charge on each of these particles.
Let charge on each particle=q
By Coulomb's law of force
![F=\frac{kq_1q_2}{r^2}=\frac{kq^2}{r^2}](https://tex.z-dn.net/?f=F%3D%5Cfrac%7Bkq_1q_2%7D%7Br%5E2%7D%3D%5Cfrac%7Bkq%5E2%7D%7Br%5E2%7D)
Where ![k=9\times 10^9](https://tex.z-dn.net/?f=k%3D9%5Ctimes%2010%5E9)
Substitute the values
![5=\frac{9\times 10^9q^2}{(1\times 10^{-3})^2}](https://tex.z-dn.net/?f=5%3D%5Cfrac%7B9%5Ctimes%2010%5E9q%5E2%7D%7B%281%5Ctimes%2010%5E%7B-3%7D%29%5E2%7D)
![q^2=\frac{5\times (1\times 10^{-3})^2}{9\times 10^9}](https://tex.z-dn.net/?f=q%5E2%3D%5Cfrac%7B5%5Ctimes%20%281%5Ctimes%2010%5E%7B-3%7D%29%5E2%7D%7B9%5Ctimes%2010%5E9%7D)
![q=\sqrt{\frac{5\times (1\times 10^{-3})^2}{9\times 10^9}}](https://tex.z-dn.net/?f=q%3D%5Csqrt%7B%5Cfrac%7B5%5Ctimes%20%281%5Ctimes%2010%5E%7B-3%7D%29%5E2%7D%7B9%5Ctimes%2010%5E9%7D%7D)
![q=2.4\times 10^{-8} C](https://tex.z-dn.net/?f=q%3D2.4%5Ctimes%2010%5E%7B-8%7D%20C)