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OverLord2011 [107]
3 years ago
12

1. Identify the seven diatomic elements and explain why they are different from the rest of the elements

Chemistry
2 answers:
allochka39001 [22]3 years ago
6 0

Answer:

Hydrogen, Nitrogen, Oxygen, Fluorine, Chlorine, Iodine, and Bromine.

Explanation:

All seven of these elements are very reactive. Because of this, they cannot be mono-atomic elements.

ozzi3 years ago
3 0

Answer:

hydrogen, nitrogen, oxygen, flourine, chlorine, iodine, bromine

Explanation:

they are very reactive and thus cannot exist as monoatomic elements

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Which lists the elements in order from least conductive to most conductive?
AfilCa [17]

nitrogen (N), antimony (Sb), bismuth (BI)

Explanation:

Electrical conductance increases from Nitrogen to antimony and then Bismuth. Electrical conductance increases with available free electrons.

  • The elements listed belongs to Group V on the periodic table.
  • Group V elements are Nitrogen, Phosphorus, Arsenic, Antimony, Bismuth.
  • As we go down the group, electrical conductance increases.
  • This is because the radius of the atom becomes larger and the pull on the outer electrons become very weak.
  • Outer electrons becomes free to facilitate electrical conductance.
  • We can also see that metallicity i.e electropositivity increases down the group.

Learn more:

Metallic bonds brainly.com/question/6071838

#learnwithBrainly

5 0
3 years ago
Read 2 more answers
PLEASE HELP!
Tanzania [10]
Molar mass:

KCl = 74.55 g/mol

KClO3 = 122. 55 g/mol

  <span>Calculation of the mass of KClO3 :</span>

<span>2 KClO3 =  2 KCl + 3 O2</span>

2* 122.55 g KClO3 ------------------ 2 * 74.55 g KCl
mass KClO3 ?? --------------------- 25.6 g KCl

mass KClO3 = 25.6 * 2 * 122.55 / 2 * 74.55

mass KClO3 = 6274.56 / 149.1

mass = 42.082 g of  KClO3

Therefore:

1 mole KClO3 ---------------------- 122.55 g
?? moles KClO3 ------------------- 42.082 g

moles KClO3 = 42.082 * 1 / 122.55

moles KClO3 = 42.082 / 122.55

=> 0.343 moles of KClO3


Answer C

hope this helps!

3 0
2 years ago
If 42 grams of carbon in 52 grams of oxygen are used how many grams of CO2 will be produced. I need to show work.
UNO [17]

Answer:

How many moles of oxygen gas are required to make 8.33 moles of carbon dioxide? ... be used to produce 1.99 grams of water. 1.99 mg H2O X. 1mol H2O. 18.0g X ... c. If the reaction produces 5.3 mg of carbon dioxide how many grams of water ... X. 25mol O2. 2mol C8H18. X. 32.0g O2. 1mol O2. = 4.80 x 103g O2. Answer ...

Explanation:

4 0
2 years ago
What makes slime, slime?
Naya [18.7K]
Slime flows like a liquid, but unlike familiar liquids (e.g., oil, water), its ability to flow, or viscosity, is not constant. So it's a fluid, but not a regular liquid. Scientists call a material that changes viscosity a non-Newtonian fluid. The technical explanation is that slime is a fluid that changes its ability to resist deformation according to shear or tensile stress.

What this means is, when you pour slime or let it ooze through your fingers, it has a low viscosity and flows like a thick liquid. When you squeeze a non-Newtonian slime, like oobleck, or pound it with your fist, it feels hard, like a wet solid. This is because applying stress squeezes the particles in the slime together, making it hard for them to slide against each other.

Most types of slime are also examples of polymers. Polymers are molecules made by linking together chains of subunits.


The specifics of how a type of slime works depends on its chemical composition, but the basic explanation is that chemicals are mixed to form polymers. The polymers act as a net, with molecules sliding against each other.


Two solutions are combined to make classic slime. One is diluted school glue, or polyvinyl alcohol in water. The other solution is borax (Na2B4O7.10H2O) in water.
Borax dissolves in water into sodium ions, Na+, and tetraborate ions.
The tetraborate ions react with water to produce the OH- ion and boric acid:
B4O72-(aq) + 7 H2O <—> 4 H3BO3(aq) + 2 OH-(aq)
Boric acid reacts with water to form borate ions:
H3BO3(aq) + 2 H2O <— > B(OH)4-(aq) + H3O+(aq)
Hydrogen bonds form between the borate ion and the OH groups of the polyvinyl alcohol molecules from the glue, linking them together to form a new polymer: slime.
6 0
3 years ago
Read 2 more answers
Will give brainliest
sergiy2304 [10]
It shows the atomic number
8 0
3 years ago
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