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Eduardwww [97]
2 years ago
9

As atomic radius decreases, electronegativity __________. This is mostly because a smaller atomic radius represents a ________ h

old on the valence ________.
Chemistry
1 answer:
blsea [12.9K]2 years ago
4 0

As atomic radius decreases, electronegativity <u>increases</u>. This is mostly because a smaller atomic radius represents a <u>stronger</u> hold on the valence <u>electrons</u>.

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Which describes an atom that has fewer neutrons than protons and more electrons than protons?
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Answer:

3. Negative Ion

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7 0
3 years ago
Read 2 more answers
Fill in the missing blank 2C4H6 + _______ → 8CO2 + 6H2O
Len [333]
 the  missing blank is filled by 11 O2
that is
= 2C4H6 + 11O2 = 8 CO2 + 6H2O

C4H6 reacted with oxygen (O2 )through the process of combustion to form carbon iv oxide (CO2)  and water (H2O) . 11 infront  of  O2 is to make sure the molecules of O2 is balanced in both reactant side and the  product side
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3 years ago
In laboratory experiment, a NOVDEC Student was
Ede4ka [16]

Answer:

i. Molar mass of glucose = 180 g/mol

ii. Amount of glucose = 0.5 mole

Explanation:

<em>The volume of the glucose solution to be prepared</em> = 500 cm^3

<em>Molarity of the glucose solution to be prepared</em> = 1 M

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ii.<em> mole = molarity x volume</em>. Hence;

amount (in moles) of the glucose solution to be prepared

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3 0
3 years ago
An oxide has a chemical formula with the form X2O3. Which group is element X more likely to be a member of? Select the correct a
3241004551 [841]

Answer:

Group 13

Explanation:

You know X has 3 valence electrons, as oxygen has a subscript of 3. This means X has an ionic charge of +3. Group 13 consists mainly of metalloids but it also has metals such as aluminum, which has a +3 charge. If you use aluminum as an example, you know that when combined with oxygen, it forms Al2O3. Group 12 has transition metals that don't have +3 ionic charges, group 14 has metalloids, metals that don't have ionic charges of +3, and nonmetals, and group 2 has metals with ionic charges of +2. Group 13 is the answer.

5 0
3 years ago
Distinguish between zinc nitrate and lead nitrate ​
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Answer:

Zinc nitrate gives white ppt. which dissolves in excess ammonium hydroxide and produce a colorless solution whereas lead nitrate gives a chalky white ppt. of lead hydroxide which doesnot dissolve.

Explanation:

Hope this helps :)

7 0
3 years ago
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