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VashaNatasha [74]
2 years ago
6

What is the period number of krypton

Chemistry
2 answers:
Olenka [21]2 years ago
7 0

Answer:

The period number for Krypton is 4.

Explanation:

Krypton (Kr), is a chemical element, a rare gas of Group 18 (noble gases) of the periodic table, which forms relatively few chemical compounds.

RUDIKE [14]2 years ago
4 0

The period number of krypton is 4

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7.no . <br> with steps please anyone <br> no spam
gulaghasi [49]
  • Given mass=1.3g
  • Atomic mass=65u

Molar mass=65g/mol

Now

\boxed{\sf No\:of\:moles=\dfrac{Given\:Mass}{Molar\:Mass}}

\\ \rm\longmapsto No\:of\;Moles=\dfrac{1.3}{65}=0.02mol

6 0
3 years ago
10. Carbon tetrachloride has a density of 1.60 g/mL. What is the volume of 40 grams of CCl4?
ikadub [295]

Answer:

The answer is

<h2>25 mL</h2>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

volume =  \frac{mass}{density}

From the question

mass of CCl4 = 40g

Density = 1.6 g/mL

The volume is

volume =  \frac{40}{1.6}

We have the final answer as

<h3>25 mL</h3>

Hope this helps you

5 0
3 years ago
2. What do acidic solutions have high concentrations of? ​
Xelga [282]
Hydrogen ions
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7 0
2 years ago
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denis23 [38]

Answer:

I'd say 624.2^3 inches.

Explanation:

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2 years ago
Identify the type of error in the following scenario. SCENARIO: A group is trying to find the volume of a given liquid. To do th
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Answer:

Error of parallax it usually occurs when the cylinder is above or below the eye level,and thus resulting in differences In reading the millimeters

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