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Alchen [17]
3 years ago
10

How did Mendeleev arrange the elements in the first periodic table? In order of increasing atomic mass. In order of decreasing a

tomic mass. In order of increasing melting points and densities. In order of increasing atomic number.
Chemistry
1 answer:
hammer [34]3 years ago
7 0

Answer:

Mendeleev arranged the elements on the first periodic table by Increasing atomic mass

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Which bond is most polar c-o h-o n-o s-o
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Answer:

Option 4 with o-h in the most polar bond, since the two atoms in the bond have the greatest difference in electronegativity.  This is assuming there are no other factors in other atoms bound to either of the elements in the bond.

Explanation:

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3 years ago
An igneous rock that _____ is made of really small mineral crystals. A. cools rapidly B. crystallizes slowly C. undergoes extrem
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Answer: An igneous rock that cools rapidly is made of really small mineral crystals.

Explanation:

The layers inside the earth are hot enough to melt a rock. The liquid or molten rock is known as magma.

When a molten rock cools and solidifies, it results in the formation of an igneous rock.

The slow cooling of magma will result in the formation of an igneous rock with large crystals. Whereas, rapid cooling of lava will result in the formation of an igneous rock with small crystals.

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3 years ago
2 Calculate What is the density of a liquid with a mass of 17.4g<br> and a volume of 20 mL?
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Answer:

P= 0.87g/mL or 0.87g/cm^3

Explanation:

P=m/v

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P=17.4g/20mL

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Zinc has a density of 7.10 g/cm3. If a cylinder of zinc weighing 46.77 g is completely immersed in a graduated cylinder that ori
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Zinc density = 7.10 = 46.77/x ==> x = 46.77/7.10 =6.6 cm3 or 6.6 ml
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