Carbon is a nonmetal that can conduct electricity relatively well. Therefore, option (D) is correct.
What is carbon?Carbon is an element that belongs to the 14th period in the modern periodic table. The atomic number and atomic mass of carbon are 6 and 12.01 g/mol. Carbon is a nonmetal and tetravalent as it contains 4 electrons in its valence shell.
Carbon is short-lived but it can be stabilized by its allotropic forms. Carbon has three allotropes which are diamond, graphite, and fullerene. The properties of allotropes of carbon are different because of the different arrangements of carbon atoms.
In graphite, the carbon atoms are arranged in layers and are joined together. The links between the layers of the carbon atoms are weak but links between the carbon atoms in the layer are strong. The layers are slippery in nature which makes graphite soft.
Graphite is the only nonmetal that can conduct electricity and is a good conductor of electricity.
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David drops a golf ball and a bowling ball at the same time. He then drops a tennis ball and a volleyball. He notices that each pair hit the ground at the same time. Then David picks up a marble and a baseball. If he drops them both at the same time, what can David predict will happen
Answer:
if he drops them some where there is no air they will both land at the same time as they have no air resistance and gravity pulls every item equally but if they just do it of a building in the middle of the street then the baseball would hit first as it has a larger mass
Explanation:
The pressure of gas in a 600.0 mL cylinder is 65.0 mmHg. What is the new volume when the pressure is increased to 385 mmHg?
Answer:
P1V1=P2V2
65 mmHg × 600 mL = 385 mmHg × V2
V2 = 101.30 mL
Explanation:
We can use Boyle's law
If a 125 micron tissue slice is 125 µm thick, what is the thickness in inches?
Answer:
125 micrometres is 0.125 mm or 0.0125 cm or 0.000125m convert from cm to inches and u have the answer
The thickness of a 125 µm tissue slice is approximately 0.00492 inches.
Micron (µm) is a unit of length commonly used to measure very small distances, particularly in scientific and medical contexts. To convert microns to inches, you can use the conversion factor that 1 inch is equal to 25,400 microns (1 inch = 25,400 µm).
Given that the tissue slice is 125 µm thick, you can use the conversion factor to find its thickness in inches:
Thickness in inches = Thickness in microns / Conversion factor
Thickness in inches = 125 µm / 25,400 µm/inch
Thickness in inches ≈ 0.00492 inches
So, the thickness of the 125 µm tissue slice is approximately 0.00492 inches. This conversion is important for understanding the dimensions of microscopic samples and for making comparisons with measurements in other units, especially when working with scientific data and research.
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2.How could you identify an element by its
number of protons?
BTW this is actually a science quetion.
What is the amount of matter in an object compared to the space it takes up. Im confused because i think its mass but i was told that mass is the amount of matter something contains.
Answer:
Volume simply refers to the space an object takes up. Depending on the physical state of an object, there are a couple ways to measure volume.
the formula for sodium hydroxide is NaOH; the formula for potassium hydroxide is KOH. which two elements do you think are contained in all hydroxides? pls and as soon as possible thks:)
Answer:
oxygen and hydrogen :)
Explanation:
Liquids _____.
a. take the shape of the container and
b. have a definite volume
c. have definite shape and a definite volume have no shape and no definite volume
d. none of the above
Answer:
It takes the shape of a container.
Evidence of chemical reactions include changes in
Answer:
color, state, odor
Explanation:
AcipHex is classified as
Answer:
vdhdjdkkdhd djjsbdmskskdkdj djdkkdjdjdj kdkkdkdkdk
hich is the percent per mass of 2 grams of cumin powder mixed in 50 mL milk?
3. 51%
4%
3. 49%
5%
Answer:
4%
Explanation:
i had the same question
Try to compare the landscape differences between the surface of the moon and the surface of the earth.
Answer:
eat this
Explanation:
Why are polymers insoluble in sodium bicarbonate?
Answer:
The term “polymers” covers a pretty broad range.
For a polymer to be soluble in any water solution it has to have a degree of polar functionality. This can be such things as acid functions or hydroxyl functions. A co-polymer containing a large amount of methacrylic acid would be soluble in a bicarb solution.
If you are thinking of polymers such as polyethylene or polystyrene then there is no functionality to be neutralized which would render them soluble.
Explanation:
( Source : Quora )
Which statement accurately describes how electrical power and current are related
Answer:
Electrical power is the product of voltage times current.
Cho một lượng hỗn hợp CuO và Fe2O3 tác dụng hết với dung dịch HCl thu được 2 muối có tỉ lệ mol là 1 : 1. Phần trăm khối lượng của CuO và Fe2O3 trong hỗn hợp lần lượt là:
Answer:
fafsafwafsxDlmfao
Explanation:
calculate the number of collision/sec/cm3 for argon at STP given that it's molecular diameter is 0.20nm
We need collisonal section area
[tex]\\ \sf\longmapsto \sigma=2d[/tex]
[tex]\\ \sf\longmapsto \sigma=2(0.20nm)[/tex]
[tex]\\ \sf\longmapsto \sigma=0.4nm[/tex]
Để pha 2 lít dung dịch H2SO4 0,1N từ axit đặc 98% (d 1.84g/ml). Cần lấy bao nhiêu ml acid đặc
Answer:
Cm = Cn/n = 0.1/2 = 0.05 (M)
n = 0.05*2= 0.1 mol
m H2SO4= 0.1*98= 9.8 g
m dd H2SO4= 9.8/ 0.98 =10 g
V= 10/ 1.84 = 5.435 ml
Explanation:
Among the elementary subatomic particles of physics is the muon, which decays within a few nanoseconds after formation. The muon has a rest mass 206.8 times that of an electron.
Calculate the de Broglie wavelength associated with a muon traveling at a velocity of 8.50×105 cm/s .
The De Broglie wavelength of the muon is calculated to be 4.13 × 10^10 m
We have the following information;
mass of the muon (m)= 206.8 × 9.11 × 10^-31 Kg = 1.88 × 10^-28 Kg
Plank's constant(h) = 6.6 × 10^-34 Js
Velocity of the muon(v) = 8.50×10^5 cm/s or 8500 m/s
From;
λ = h/mv
λ = 6.6 × 10^-34/1.88 × 10^-28 × 8500
λ = 6.6 × 10^-34/1.598 × 10^-24
λ = 4.13 × 10^10 m
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Sexual reproduction occurs when two specialized sex cells also known as _____________, fuse together.
Answer:
Explanation:
During sexual reproduction the two gametes join together in a fusion process known as fertilization, to create a zygote, which is the precursor to an embryo offspring, taking half of its DNA from each of its parents. In humans, a zygote contains 46 chromosomes: 23 from its mother and 23 from its father
Which statement is the best explanation for why two negatively charged balloons move apart without ever touching?
1)Electric charges have electric fields surrounding them that allow them to exert forces on other objects without touching them.
2)Electrons from one balloon jump to the other and push it, without ever touching it.
3)The space between objects is actually filled with charged particles that all interact.
4)Charged objects send little lightning bolts of electrons across the space between the two balloons.
Answer:
Answer is 1: Electric charges have electric fields surrounding them that allow them to exert forces on other objects without touching them.
Option 1 offers the best justification for why two negatively charged balloons travel apart but never touch: Electric charges may exert pressures on other things without ever contacting them because of the electric fields that surround them.
What is the way of generating electric field ?This is because electric charges generate electric fields that, even when they are not in contact with other things, may push and pull on them. This is because electric fields—invisible lines of force that emerge from an electric charge and radiate out—can interact with other electric charges as well as physical things.
One balloon's electric field will interact with the electric field of the second balloon, pushing the two balloons apart. Because electrons do not leap from one balloon to another, Option 2 is inaccurate.Because electrons do not leap from one balloon to the next, Option 2 is untrue. Instead, the balloons are forced apart by the interaction of the electric fields.
Option 3 is erroneous because charged particles do not fill the void between the items. Instead, the electric charges cause electric fields to fill the area. Option 4 is erroneous because charged objects do not transmit tiny electron lightning bolts across the space between the two balloons, which brings us to our last error.
Instead, the balloons are forced apart by the interaction of the electric fields.
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In which state particles are extremely cold just above absolute zero (–273 °C or 0 K) and barely move?
helppppp
Answer:
At zero kelvin (-273°C) the particles stop moving and all disorder disappears. Therefore, nothing can be colder than absolute zero on the Kelvin scale.
Is medicine, such as the aspirin shown in the image above, an example of science or technology?
Answer:
Technology
hope this helps
Viết cấu trúc Lewis và công thức cấu tạo cho các phân tử sau: MgO; HNO3; H2SO4. Giải thích liên kết trong các phân tử trên thuộc loại liên kết gì? Xác định mức độ ion trong liên kết MgO.
Answer:
hydrogen cloride
Explanation:
A cube with sides 4cm. It's mass is 54g. will it sink or float ?
If I put you on a goat
Put you in some water
Now you’re gonna float
If the density of a liquid is 20g/mL and the volume is 70mL, what is the mass?
Answer:
mass= volume ×density
20×70=1400 g
Do polar molecules conduct energy as well as ionic molecules?
Answer:
Polar covalent compounds can not conduct electricity. But when they are dissolved in water, then they are capable of conducting electricity as the electrons will be free to conduct electricity.
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FOLLØW ME PLEASE THANKS IN ADVANCE
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How many subshells in 4s
Answer:
hhjkjggghjjjjjj
Explanation:
vbjjkkkkkkkj
please help , science tho. by the way i have to do 5
Answer:
850
Explanation:
It's between 840 and 860
A compound of mercury and oxygen is heated in order to decompose the compound. A 4.08 grams sample of mercury oxide upon heating gives off oxygen gas. After heating the mass of mercury metal left behind was 3.78 grams. Calculate the empirical formula of the compound
My and: 1 O2 to 2 Hg ratio but I don't know if it's correct and if so if I should write it as
2HgO ----> 2Hg + O2 or just 2Hg + O2
Please someone who understands help.
Answer:
HgO (empirical formula)
Explanation:
4.08 - 3.78 = 0.3g (oxygen)
[tex] (\frac{4.08}{201}) \: \: \: (\frac{0.3}{16} )[/tex]
0.02 : 0.02
0.02/0.02 : 0.02/0.02
1 : 1 (ratio)
HgO ( empirical formula)
2HgO ----> 2Hg + O2 ( your equation correct)
Idontknow I NEED HELP SOME1!!!! :)
Which statement correctly classifies gamma emission?(1 point)
Gamma emission is not a type of radioactive decay or a fission reaction.
Gamma emission is not a type of radioactive decay, but it is a fission reaction.
Gamma emission is a type of radioactive decay, but it is not a fission reaction.
Gamma emission is a type of radioactive decay that is also a fission reaction.
Answer:
Gamma emission is a type of radioactive decay, but it is not a fission reaction.
Explanation:
BOOM
what are empirical observations?
Answer:
Empirical evidence for a proposition is evidence, i.e. what supports or counters this proposition, that is constituted by or accessible to sense experience or experimental procedure. Empirical evidence is of central importance to the sciences and plays a role in various other fields, like epistemology and law.
Explanation:
thanks me later