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stich3 [128]
3 years ago
6

True or false

Chemistry
1 answer:
m_a_m_a [10]3 years ago
7 0
It is false because seven electrons is a characteristic of the halogen elements
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What is the electron configuration of bromine whose atomic number is 35
Vanyuwa [196]
1s22s22p63s23p64s23d104p5 is the answer
5 0
3 years ago
Concentrated 8.2 of commercial chloride or chlorox diluted to 14% ?
ELEN [110]
Is it 8.06?

Or 58.57?

Don't get mad if there wrong!!
But please let me know if it's right or wrong tho.
7 0
3 years ago
Select the answer which shows the correct order, slowest to fastest, of the relative rate of diffusion of the gases.
IrinaK [193]

Diffusion is the process of a substance spreading out to evenly fill its container or environment. Rate of diffusion of a gas is inversely proportional to the molar mass of the gas.

Rate of diffusion \propto \frac{1}{Molar mass}

Lighter(lower) the molar mass of the gas , faster will be its rate of diffusion and heavier (higher) the molar mass of the gas , slower will be its rate of diffusion.

We have to arrange the given gases from slowest rate of diffusion to fastest rate of diffusion that means we need to arrange gases from higher molar mass to lower molar mass.

Molar mass of given gases are :

Cl = 35.5 g/mol

Xe = 131.29 g/mol

He = 4.00 g/mol

N = 14.00 g/mol

So correct order for slowest rate of diffusion (highest molar mass) to fastest rate of diffusion (lowest molar mass) is :

Xe , Cl , N , He

Xe having the highest molar mass will have the slowest rate of diffusion and He with lowest molar mass will have the fastest rate of diffusion, so option 'c' is correct.

Note : Slowest rate of diffusion = High Molar Mass

Fastest rate of diffusion = Low Molar Mass



7 0
3 years ago
What is 0.0745 in scientific notation?
katen-ka-za [31]

Answer:

7.45 × 10^{-2}

Explanation:

4 0
2 years ago
Read 2 more answers
How many atoms are in 1.75 mol of ecules oh NH^3
kherson [118]
1 mole ----------- 6.02x10²³ atoms
1.75 moles ------- ?

atoms = 1.75 * 6.02x10²³ / 1

= 1.053x10²⁴ atoms

hope this helps!

5 0
3 years ago
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