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Alisiya [41]
3 years ago
14

How does the ionic radius of a nonmetal compare with its atomic radius?

Chemistry
2 answers:
Delvig [45]3 years ago
7 0
Non-metal are the elements that can accept electrons,this creates a larger positive charge in the nucleus than the negative charge.
 Due to this attraction, electron cloud shrinks or come closer to nucleus as the result of opposite charge and become ion .
Hence, the atomic radius of a non-metal<span> is generally smaller than the </span>ionic radius<span> of the same element.</span>
maria [59]3 years ago
5 0
The other user is correct
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Consider a 12.01 g sample of carbon. the average mass of a carbon atom is 1.994 3 10223 g. how many carbon atoms are in the samp
Nonamiya [84]
 the mass of a carbon atom is 1.994 x 10⁻²³ g
the mass of the carbon sample is 12.01 g
to find the number of Carbon atoms we have to divide the mass of sample by mass of a carbon atom.
number of C atoms = \frac{12.01 g}{1.994* 10^{-23}g }
therefore number of atoms = 6.023 X 10²³ atoms of carbon
3 0
4 years ago
Which of the following will result in a chemical change?
Elis [28]
The correct answer is C.

Burning is a chemical change. It's a chemical process that includes oxygen.

All the other options are a change of state: form solid to liquid, or from liquid to  gas (as in the last one).
3 0
3 years ago
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What is the function of potassium chlorate (V) powder?
irinina [24]
It is crystalline in nature which is used in explosives,buffers and fertilisers it is also used to treat low blood levels(hypokalemia)
4 0
4 years ago
a sample of CO2 occupies a volume of 280ml at a pressure of 1.3 atm and a temperature of 18 degrees celsius, what volume will th
monitta

We can calculate the new volume of the gas using the Combined Gas Law:

(P1 x V1) / T1 = (P2 x V2) / T2

The initial volume, pressure, and temperature were 280 mL, 1.3 atm, and 291.15 K (changing the temperature into Kelvin is necessary), and the final volume, pressure, and temperature is V2, 3.0 atm, and 308.15 K. Plugging these values in and solving, we find that:

(P1 x V1) / T1 = (P2 x V2) / T2

(1.3 atm x 280 mL) / 291.15 K = (3.0 atm x V2) / 308.15 K

V2 = 128.42 mL

This makes sense considering the conditions, a small increase in temperature would make the gas expand but a significant increase in the pressure would cause the volume to decrease.

Hope this helps!

7 0
3 years ago
A bar of gold is 5.0mm thick, 10.0cm long and 2.0cm wide. It has a mass of exactly 193.0g. What is the desity of gold?
Tanzania [10]
<h3>Answer:</h3>

19.3 g/cm³

<h3>Explanation:</h3>

Density of a substance refers to the mass of the substance per unit volume.

Therefore, Density = Mass ÷ Volume

In this case, we are given;

Mass of the gold bar = 193.0 g

Dimensions of the Gold bar = 5.00 mm by 10.0 cm by 2.0 cm

We are required to get the density of the gold bar

Step 1: Volume of the gold bar

Volume is given by, Length × width × height

Volume =  0.50 cm × 10.0 cm × 2.0 cm

             = 10 cm³

Step 2: Density of the gold bar

Density = Mass ÷ volume

Density of the gold bar = 193.0 g ÷ 10 cm³

                                      = 19.3 g/cm³

Thus, the density of the gold bar is 19.3 g/cm³

3 0
3 years ago
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