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Mandarinka [93]
3 years ago
14

Ill mark u brainlest if u answer me wit no links!

Chemistry
1 answer:
rodikova [14]3 years ago
7 0

Answer: I believe it would be using group input to discuss and prepare preliminary designs

Explanation:

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if an element [x] contains 8 protons, 8 neutrons and 8 electrons, the atomic number of the element is ?
Kaylis [27]

Answer:

8

Explanation:

The atomic number refers to the number which identifies the element, which is the proton number.

7 0
3 years ago
The solubility product of AgCl is 1.4 x 10-4 at 100°C. Calculate the solubility of AgCl in
marshall27 [118]

Answer:

AgCl=Ag+ + Cl-

1.4×10^-4 =x × x

x²=1.4×10^-4

x=√(1.4×10^-4)

x=0.012

5 0
2 years ago
Iron has a mass of 7.87 g per cubic centimeter of volume, and the mass of an iron atom is 9.27 × 10-26 kg. If you simplify and t
Talja [164]
<span>(a) what is the average volume (in cubic meters) required for each iron atom
For this case, the density of Iron would be </span>7.87g/cm³
<span>
V = 9.27 x 10^-26 kg / </span>7.87g/cm<span>³ ( 1 kg / 1000 g)
</span>V = 1.18 x 10-23 cm³<span>

(b) what is the distance (in meters) between the centers of adjacent atoms?
We assume the atoms as cube, so we use the volume of the cube to calculate the distance of the atoms.

V = </span>1.18 x 10-23 cm<span>³ = s</span>³
s = 2.28 x 10^-8 cm
7 0
3 years ago
Read 2 more answers
Which one of these is NOT a sign of chemical change? *
Gekata [30.6K]
I think it’s light
Have fun :)
3 0
3 years ago
Which of the following is true of mixtures?
SCORPION-xisa [38]

A. a mixture is a combination of two or more substances in which each substance retains its own properties.

4 0
3 years ago
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