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Aneli [31]
3 years ago
10

What is demetri mendeleyev given credit for developing

Chemistry
1 answer:
Naddik [55]3 years ago
6 0

Answer: The periodic table

Explanation: Demetri Mendeleyev is famous for developing the periodic table. He introduced it in 1869.

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What makes elements in a group similar to one another and how would this affect their properties?
adell [148]
Elements in the same group have similar reactivities. For example, elements in group 1 are highly reactive, since they can all take in 7 electrons. Hope I helped!
6 0
3 years ago
True or false: the smaller the difference between the average experimental value and the correct (true) value the greater the ac
mel-nik [20]

Answer:

True

Explanation:

The accuracy level is usually determined by the difference between the experimental and correct value. It is important to note that the smaller the difference between the average experimental value and the correct (true) value, the more accurate it is.

When the difference is large then it means the accuracy level is low and not up to the required standard.

5 0
3 years ago
flammable liquid is being pumped out of a drum into a bucket using a hand pump. describe an appropriate grounding and bonding pr
lutik1710 [3]

When transferring flammable liquids from storage drums to smaller electrically conductive containers, bonding and grounding are required. In any workplace, you should do the same whenever you move these liquids between conductive containers.

<h3>What exactly occurs in this case?</h3>

Ground dispensing drums in the area for storing and dispensing flammable liquids. Connecting the container to an already grounded, electrically conductive object grounds it. This could be a grounded metal construction framework, a buried metal plate, a metallic subsurface gas piping system, or metal water pipes. Sparks are prevented from discharging by bonding the two containers together and grounding one of them. All connections for bonding and grounding must be made from bare metal to bare metal.

To know more about Flammable liquids, visit-brainly.com/question/3702349

#SPJ4

3 0
1 year ago
Write an equation to show how hco3− can act as a base with hs− acting as an acid.
Ne4ueva [31]

Answer:  HCO_{3}^{-}+ HS^{-}\rightleftharpoons H_{2}CO_{3} + S^2{-}

Explanation:

According to Bronsted and Lowry an acid is a proton donor and base is a proton acceptor.

Therefore, the equation for the reaction will be as follows.

       HCO_{3}^{-}+ HS^{-}\rightleftharpoons H_{2}CO_{3} + S^2{-}

Here, HCO_{3}^{-} acts as a base as it is accepting a proton and HS^{-} acts as an acid because it is donating a proton.


3 0
3 years ago
Read 2 more answers
What type of wave is sound?
Ymorist [56]
Pretty sure it's a pressure wave
8 0
3 years ago
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