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Minchanka [31]
3 years ago
11

How does the periodic table tell me if a element is solid, liquid, gas, or man made?

Chemistry
1 answer:
Fittoniya [83]3 years ago
5 0

Answer:

if you search up the periodic table and go to any website it will let you press on the element and it will say if it is a gas,solid or liquid and it might say if it is man made!

Explanation:

i really hope this helps:)

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What is the mass of calcium in 2.3•10^23 molecules of calcium phosphate
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Explanation:

N(Ca)=3×N(Ca₃(PO₄)₂)=

=3×2.3×10²³=6.9×10²³

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3 0
3 years ago
What is the mass of 0. 513 mol Al2O3? Give your answer to the correct number of significant figures. (Molar mass of Al2O3 = 102.
Margarita [4]

The mass of a 0.513 mol of Al2O3 is 52.33g.

HOW TO CALCULATE MASS:

The mass of a substance can be calculated by multiplying the molar mass of the substance by its number of moles. That is;

mass of Al2O3 = no. of moles of Al2O3 × molar mass of Al2O3

According to this question, there are 0.513 moles of Al2O3.

Mass of Al2O3 = 0.513 × 102

Mass of Al2O3 = 52.33g

Therefore, the mass of a 0.513 mol of Al2O3 is 52.33g.

Learn more about mass calculations at: brainly.com/question/8101390?referrer=searchResults

7 0
2 years ago
Please help noowwwww... if you don’t know please don’t answer
pshichka [43]

Answer:

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Explanation:

7 0
3 years ago
Can visible light cause damage that leads to skin cancer
11111nata11111 [884]

Visible and infrared light do not cause sunburn and they are not known to directly be a skin cancer risk.

7 0
3 years ago
Use the Lewis model to determine the formula for the compound that forms from each pair of atoms.
Oksi-84 [34.3K]

Answer:

KI

Explanation:

K is 1+  & I is 1- so we need 1 of each to balance out the compound.

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