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Today,I will talk about 3 electments.Now,let me tell you some information of the hydrogen.
Hydrogen is colourless and you cant smell it.Normal is in gas.Hydrogen is very normal in our daily life.For example,water.You can find the hydrogen in water.
We also used the hydrogen to help us work.Hydrogen is flammeble.It can hrlp us to cut the metal. We can see that hydrogen is very useful.
now,we talk about other electment.
Now, we talk about the oxygen.It is same as hydrogen that is no taste no smell in the normal form. We can find it in the water and it is common in other compounds. In the air also can find the oxygen inside.
Finally ,we talk about the calcium.Calcium is very important to our body.Exspecially to our backbone and other bones inside our body.It can easily find in the milk and tofu.They can make us more healthy.
Boys and Girls ,please go home and study more about them.Chemistry is very interesting.
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