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Veronika [31]
3 years ago
5

In general, what do you notice about the sections of the periodic table as it

Chemistry
1 answer:
Lapatulllka [165]3 years ago
5 0

Answer:

The answer is rather simple, if you understand electron configurations: the shape of the periodic table mimics the filling of the subshells with electrons.

Explanation:

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This is a graded Quiz and I need all of the answers to be right but I am not sure so I need help this is a 3.08 science Quiz and
Setler79 [48]

Answer:

1 true

Explanation:

bcz it is true

8 0
3 years ago
What is the total number of atoms in a molecule of ch 3 oh?
algol13
Number of Atoms in Methanol are calculated as,

Write chemical formula of Methanol,

                                                      CH₃-OH

Find out Subscripts:
                                There is only one subscript (₃) written after Hydrogen, it means there are 3 Hydrogen atoms attached to Carbon atoms.

Add all atoms in molecule:
                                           Carbons  =   1
                                       Hydrogens  =   4
                                          Oxygens  =   1
                  Total Atoms                        ______
                          
                                                               6 Atoms
6 0
3 years ago
Read 2 more answers
A geographical area where plants, animals, the landscape, and the climate all interact together is called a(n)
PolarNik [594]
A) environment is most likely the answer. I'm a bit rusty on my biology though. Hope I helped!
5 0
4 years ago
Read 2 more answers
3. What causes hydrogen bonding?
Fudgin [204]
Hydrogen bonding occurs between a hydrogen atom and an electronegative atom (e.g., oxygen, fluorine, chlorine). The bond is weaker than an ionic bond or a covalent bond, but stronger than van der Waals forces (5 to 30 kJ/mol). A hydrogen bond is classified as a type of weak chemical bond.
5 0
3 years ago
Read 2 more answers
A 51.24-g sample of Ba(OH)2 is dissolved in enough water to make 1.20 liters of solution. How many mL of this solution must be d
g100num [7]

Answer:

0.40 L

Explanation:

Calculation of the moles of Ba(OH)_2 as:-

Mass = 51.24 g

Molar mass of Ba(OH)_2 = 171.34 g/mol

The formula for the calculation of moles is shown below:

moles = \frac{Mass\ taken}{Molar\ mass}

Thus,

Moles= \frac{51.24\ g}{171.34\ g/mol}

Moles= 0.2991\ mol

Volume = 1.20 L

The expression for the molarity is:

Molarity=\frac{Moles\ of\ solute}{Volume\ of\ the\ solution}

Molarity=\frac{0.2991\ mol}{1.20\ L}=0.24925\ M

Thus,

Considering

Molarity_{working\ solution}\times Volume_{working\ solution}=Molarity_{stock\ solution}\times Volume_{stock\ solution}

Given  that:

Molarity_{working\ solution}=0.100\ M

Volume_{working\ solution}=1\ L

Volume_{stock\ solution}=?

Molarity_{stock\ solution}=0.24925\ M

So,  

0.100\ M\times 1\ L=0.24925\ M\times Volume_{stock\ solution}

Volume_{stock\ solution}=\frac{0.100\times 1}{0.24925}\ L=0.40\ L

<u>The volume of 0.24925M stock solution added = 0.40 L </u>

6 0
3 years ago
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