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lozanna [386]
3 years ago
14

Maria is researching a family of elements for her high school chemistry class. She is using her text book for information about

the chemical family. What other sources would be appropriate for Maria’s research?A)dictionary B)student notes and the periodic table C)the periodic table and a chemistry website D)academic research journal and a college chemistry book
Chemistry
1 answer:
Len [333]3 years ago
8 0

The correct answer is option C, the periodic table and a chemistry website.

Maria is researching a family of elements so besides her school textbook, Maria should refer to the  periodic table and a chemistry website.

In the periodic table a family of elements such as the halogen or inert gases are grouped together based on their atomic number and periodicty of their properties. Maria can observe and learn about their periodic properties such as atomic radii, electronegativity, ionization potential, nature of bonding, and more.

Also a chemistry website that discusses the physical and chemical properties of a family of elements would be relevant.

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Explination:

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3 years ago
Calculate the hydronium ion and hydroxide ion concentrations in human blood at 25oc
sukhopar [10]

Using the equation, pH = − log [H+] , we can solve for [H+] as,

− pH = log [H+] ,

[H+] = 10−pH.

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5 0
3 years ago
The Al2O3 crystal structure (corundum) consists of an HCP arrangement of O2- ions; the Al3 ions occupy octahedral positions. Wha
ddd [48]

Answer:

2/3

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Crystals structures can also be seen when two elements combines together and the perfect example is Al₂O₃ which is given in the question above. Just like it is given in the question above, the kind of arrangement in the crystal structure for Al₂O₃ is called HCP which stands for Hexagonally Closed Pack.

The aluminum ions which is in form of Al³⁺ occupies the two-third[2/3] positions while the position that the oxygen ion occupies is one[1].

8 0
2 years ago
If you go into the lab and dissolve 2.11 g of magnesium chloride in enough water to make 1500 ml of solution, what is the molari
dusya [7]
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I hope this is correct.
4 0
3 years ago
In an electrolytic cell, the magnitude of the standard cell potential is the:______
melamori03 [73]

Answer:

a. minimum voltage that must be supplied for a redox reaction to occur

c. always equal to Eanode - Ecathode

Explanation:

In an electrolytic cell;  The electromotive force(the maximum standard potential difference) of the cell formed by the system is defined as the standard electrode potential of the right handed electrode minus the standard electrode potential of the left hand electrode. (i.e \mathbf{E^{\theta}_{cell}=E_{anode} - E_{cathode}} )

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Therefore, option a and c are both correct.

6 0
3 years ago
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