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Murrr4er [49]
2 years ago
5

Consider the elements in the periodic table. The stair-step line between the pink squares and the yellow squares separates the _

__________ (pink) from the _____________ (yellow).
A) gases; solids
B) metals; nonmetals
C) nonmetals; metals
D) reactive; nonreactive
Chemistry
2 answers:
Maru [420]2 years ago
4 0
I believe the correct answer from the choices listed above is option B. The stair-step line between the pink squares and the yellow squares separates the metals <span>from the nonmetals. Hope this answers the question. Have a nice day.</span>
kkurt [141]2 years ago
3 0

Answer: Option (B) is the correct answer.

Explanation:

The stair-step line in periodic table usually separates metals from non-metals. On the left side of this line metals are placed which are represented by pink squares in this case.

Whereas on the right side, non-metals are placed which are represented by yellow squares in this case.

Thus, we can conclude that the stair-step line between the pink squares and the yellow squares separates the metals (pink) from the non-metals (yellow).

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When diluting the pickle juice food sample for titration, is it important to know the final volume exactly? Why or why not?
maks197457 [2]

Explanation:

When diluting a fruit juice, it is important to know the final volume so as not to over dilute the solution.

  • The fruit juice can become too diluted if we don't know the final volume .
  • Concentration refers to the amount of solute dissolved in a solvent.
  • To achieve a desired amount of concentration during dilution, the volume of the target must be known.
  • This will serve as a guide of the amount of solvent to add in order to take the solution to the desired volume.

Learn more:

Dilution brainly.com/question/11493179

#learnwithBrainly

3 0
2 years ago
A 15.8 g sample contains 3.60 g F, 4.90 g H, and 7.30 g C. What is the percent composition of hydrogen in this sample?
deff fn [24]

Answer:

The correct answer is "32%".

Explanation:

The given values:

Weight of H,

= 4.9 g

Weight of sample,

= 15.8 g

Now,

The weight percentage of C will be:

= \frac{Weight \ of \ C}{Total \ weight}\times 100

By substituting the values, we get

= \frac{4.9}{15.8}\times 100

= 32 \ percent

3 0
2 years ago
Moist to wet as warm is to:<br><br> Luke<br> Boiling or<br> Steamy
Vinvika [58]

Answer:steamy

Explanation:

8 0
2 years ago
A balloon inflated with three breaths of air has a volume of 1.7 L. At the same temperature and pressure, what is the volume of
Karolina [17]

Ans: The final volume of the balloon is 4.5 L

<u>Given:</u>

Volume of balloon inflated with 3 breaths = 1.7 L

<u>To determine:</u>

Volume of balloon after a total of 3+5 = 8 breaths

<u>Explanation:</u>

Volume of the balloon per breath = 1.7 L * 1 breath/3 breaths = 0.567 L

Final volume of balloon after 8 breaths = 0.567 L * 8 breath/1 breath

= 4.536 L

7 0
2 years ago
What is the number of moles in 15.0 g AsH3?
Grace [21]

Answer:

0.192 mol.

Explanation:

  • To calculate the no. of moles of a substance (n), we use the relation:

<em>n = mass / molar mass.</em>

mass of AsH₃ = 15.0 g.

molar mass of AsH₃ = 77.95 g/mol.

∴ The number of moles in 15.0 g AsH₃ = mass / molar mass = (15.0 g) / (77.95 g/mol) = 0.192 mol.

7 0
2 years ago
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