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djyliett [7]
3 years ago
7

Write three characteristics of mandleef's periodic table?​

Chemistry
1 answer:
Slav-nsk [51]3 years ago
6 0

Answer:

The periodic table is composed of seven horizontal rows or periods and is numbered between 1 and 7. There is a regular gradation in the properties of elements in the horizontal rows(periods) from left to right. The periodic table is composed of eight vertical columns or groups. They are numbered between 1 to 8.

Explanation:

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Rutherford’s gold foil experiment gave evidence that an atom is mostly empty space. true false
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The given statement is true .

<h3>What is Rutherford’s gold foil  experiment?</h3>
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Phantasy [73]

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Explanation:

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4 years ago
K2O+H2O=KOH<br> What,if anything, should be done to balance this chemical equation?
VladimirAG [237]
As is, the equation has:

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Products:
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So, we can add coefficients to balance the equation:
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The coefficient means that there are 2 moles of KOH, and now the equation is balanced as there is 2 of everything on both sides.


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