- Can you see air?
- Is there oxygen in the moon?
- Can you breathe in space?
- Why is oxygen o2 and not just O?
- What is the symbol of oxygen?
- What if air was visible?
- What does oxygen look like?
- Can you eat solid oxygen?
- What can humans not see?
- Can we breathe on Mars?
- Is oxygen o2 or just O?
- What happens if oxygen is released in space?
- Does space have a smell?
- What Colour is oxygen?
- Would a body decay in space?
- Can we breathe on moon?
- Can you see oxygen molecules?
- Can you light a fire in space?
- Who invented oxygen?
- What is so special about oxygen?
- Can humans see water?
Can you see air?
Air is transparent to our eyes because we have evolved retinas that are sensitive to the very wavelengths of light that pass through it unobstructed – otherwise we wouldn’t be able to see anything at all.
Wind is just moving air, caused by pressure differences in the atmosphere..
Is there oxygen in the moon?
Oxygen on the Moon Based on lunar rock samples returned to Earth during the Apollo missions, scientists know that the moon’s soil, or regolith, contains about 40 to 45 percent oxygen by weight. This makes oxygen the most abundant element on the moon’s surface.
Can you breathe in space?
Whatever you do, don’t hold your breath! The vacuum of space will pull the air from your body. So if there’s air left in your lungs, they will rupture. … Without air in your lungs, blood will stop sending oxygen to your brain.
Why is oxygen o2 and not just O?
For oxygen to have a full outer shell it must have 8 electrons in it. … This creates diatomic oxygen molecules, each one consisting of two oxygen atoms sharing electrons with one another. Since this is the most common form of oxygen, its formula is written as “O2” rather than just “O”.
What is the symbol of oxygen?
OOxygen/SymbolThose nonmetals that occur as diatomic (two-atom)molecules are listed in Table 3.6. Thus, we use O2 as the formula for oxygen, N2 for nitrogen, and so on.
What if air was visible?
Very simple, if air becomes visible, everything else will be invisible, as air is present everywhere. … Water is transparent, and so is air.
What does oxygen look like?
Oxygen is the eighth element of the periodic table and can be found in the second row (period). Alone, oxygen is a colorless and odorless molecule that is a gas at room temperature. Oxygen molecules are not the only form of oxygen in the atmosphere; you will also find oxygen as ozone (O3) and carbon dioxide (CO2).
Can you eat solid oxygen?
oxygen is an extremely powerful oxidizer. Eating its solid form at temperature of −218 °C will obviously freeze you to death. … And swallowing an excessive amount of oxygen into your throat makes the flammable fat in your throat react with the oxygen immediately. And burn up.
What can humans not see?
That’s because, even though those colors exist, you’ve probably never seen them. Red-green and yellow-blue are the so-called “forbidden colors.” Composed of pairs of hues whose light frequencies automatically cancel each other out in the human eye, they’re supposed to be impossible to see simultaneously.
Can we breathe on Mars?
Carbon dioxide atmosphere By comparison, Mars’ atmosphere is 95 percent carbon dioxide. “We need to breathe oxygen,” said Lee. “There’s no free oxygen in the Martian atmosphere. You cannot breathe this gas.
Is oxygen o2 or just O?
The element is O, because the periodic table isn’t describing molecules, it’s describing atoms. The molecule is O2 because it takes 2 O atoms to make a molecule of oxygen. These types of elements are called diatomic elements, because the element exists in its pure form as a molecule composed of 2 atoms of the element.
What happens if oxygen is released in space?
Gases tries to occupy all the volume of the container in which they are encased in equilibrated pressure. … So, if the sealed container is opened up in space, the oxygen would quickly leak out, because the molecules near the vacuum edge would be instantaneosuly kicked out by the gas innermost molecules.
Does space have a smell?
According to astronauts, they all smell like space. While each astronaut smells something a bit different, they all agree ‘space stinks’. Obviously, space is a vacuum, so no one has really ‘smelled’ it before in the traditional sense of the word. … But we can smell it indirectly.
What Colour is oxygen?
redTypical assignmentshydrogen (H)whitenitrogen (N)blueoxygen (O)redfluorine (F), chlorine (Cl)greenbromine (Br)dark red11 more rows
Would a body decay in space?
If you do die in space, your body will not decompose in the normal way, since there is no oxygen. If you were near a source of heat, your body would mummify; if you were not, it would freeze. If your body was sealed in a space suit, it would decompose, but only for as long as the oxygen lasted.
Can we breathe on moon?
On the moon, there’s no air to breathe, no breezes to make the flags planted there by the Apollo astronauts flutter. However, there is a very, very thin layer of gases on the lunar surface that can almost be called an atmosphere. Technically, it’s considered an exosphere.
Can you see oxygen molecules?
Astronomers see individual atoms of oxygen in space all the time, particularly around massive stars, and believe that molecular oxygen (O2) should be common, too. … In 2007, scientists using the Swedish Odin Telescope thought they had spotted the molecule, but other astronomers could not confirm the discovery.
Can you light a fire in space?
In space, of course, you can’t have any fires because there isn’t any oxidizer (i.e. oxygen) to sustain the combustion process. … In space, of course, you can’t have any fires because there isn’t any oxidizer (i.e. oxygen) to sustain the combustion process.
Who invented oxygen?
Joseph PriestleyAntoine LavoisierCarl Wilhelm ScheeleOxygen/Discoverers
What is so special about oxygen?
Speciality of Oxygen: Since it’s so electronegative, it almost always forms bonds with electropositive atoms, and so its oxidation number in compounds is always negative. Oxygen itself has such a high tendency to rip off electrons from other molecules. This is what makes oxygen very special.
Can humans see water?
We can not see water itself. Water is denser than air. It refracts and reflects light. … We see reflections on the surface, distorted images below the surface and objects floating on and in the water.