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exis [7]
3 years ago
9

The elements carbon nitrogen and oxygen are all part of the same blank on the periodic table.

Chemistry
2 answers:
Arturiano [62]3 years ago
4 0
In the same period number 2
k0ka [10]3 years ago
3 0
They are all part if the same period, period 2
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Which statement explains why the bonds between non metals tend to be covalent
UNO [17]
Since the choices are missing, I will tell you why non-metals tend to form covalent bonds. You can then link this answer to the best fit choice.

Ionic bond is only formed due to an electrostatic attraction force between ions of opposite charges which cannot happen in case of non-metals whose ions are mostly anions.

On the other hand, a covalent bond is formed due to electrons being shared among different atoms. This conditions is satisfied for the bonds between non-metals
6 0
3 years ago
How many moles of copper atoms are in 150g of copper metal
IRINA_888 [86]
The answer to this question would be: 2.36 mol

To answer this question, you need to know the molecular weight of copper. Molecular weight determines how much the weight of 1 mol of a molecule has. Copper molecular weight about 63.5g/mol. Then, the amount of mol in 150g copper should be: 150g / (63.5g/mol)= 2.36 mol
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3 years ago
The circles in the model represent atmospheric layers. Make each description with the correct name of each layer.
Masja [62]

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Explanation:

6 0
3 years ago
Most ionic compounds tend to be classified as Select one:
Dovator [93]
Most ions tend to be D. Salts. Hope this helps!
5 0
3 years ago
Read 2 more answers
Consider the combustion of octane (C8H18)
sesenic [268]
The balanced equation for the above reaction is as follows;
2C₈H₁₈ + 25O₂ --->  16CO₂  + 18H₂O
stoichiometry of octane to CO₂ is 2:16
number of C₈H₁₈ moles reacted - 191.6 g / 114 g/mol = 1.68 mol
when 2 mol of octane reacts it forms 16 mol of CO₂
therefore when 1.68 mol of octane reacts - it forms 16/2 x 1.68 = 13.45 mol of CO₂
number of CO₂ moles formed - 13.45 mol
therefore mass of CO₂ formed - 13.45 mol x 44 g/mol = 591.8 g
 mass of CO₂ formed is 591.8 g
3 0
3 years ago
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