- Do stars make oxygen?
- What is the true color of the universe?
- Is Oxygen an inert?
- Why is magnesium a solid at room temperature but oxygen is a gas?
- What is the smell of oxygen?
- What state is hydrogen at room temperature?
- Is inert gas and noble gas the same?
- What is the most inert substance?
- What is the room temperature for oxygen?
- What is the color of oxygen?
- Can liquids flow?
- Who named Oxygen?
- What are the only two elements that are liquids at room temperature?
- What is the difference between inert gas and noble gas?
Do stars make oxygen?
A star like the Sun makes carbon and oxygen, while heavier stars make even more elements — all the way up to iron.
Over the 14-billion-year history of the universe, stars have made more oxygen than any other element, so it now accounts for about one percent of all the atoms in the universe..
What is the true color of the universe?
In January, the true colour of the Universe was declared as somewhere between pale turquoise and aquamarine, by Ivan Baldry and Karl Glazebrook at Johns Hopkins University in Baltimore Maryland. They determined the cosmic colour by combining light from over 200,000 galaxies within two billion light years of Earth.
Is Oxygen an inert?
No oxygen is not a inert gas but nitrogen can behave like a inert gas . the reason is that the nitrogen has atomic number 7 .
Why is magnesium a solid at room temperature but oxygen is a gas?
At room temperature, magnesium (Mg) is a solid. Elements such as Mg that are solids at room temperature have very strong intermolecular forces that keep them in the solid state. To shift from a liquid or gas requires energy, and Mg doesn’t have the energy —at room temperature— to break those intermolecular forces.
What is the smell of oxygen?
Abstract: INTRODUCTION: Since its discovery in the 18th century oxygen has been described as a colourless gas without taste or odour. However, during experiments with oxygen breathing it is not uncommon that subjects state that they can taste or smell the difference between oxygen and air.
What state is hydrogen at room temperature?
At room temperature and under standard pressure conditions, hydrogen is a gas that is tasteless, odorless and colorless. Hydrogen can exist as a liquid under high pressure and an extremely low temperature of 20.28 kelvin (−252.87°C, −423.17 °F).
Is inert gas and noble gas the same?
The noble gases are in Group 18 (8A). They are helium, neon, argon, krypton, xenon, and radon. They were once called inert gases because they were thought to be completely inert—unable to form compounds. … Noble gases all have a complete octet (eight valence electrons), except for helium (which has only two electrons).
What is the most inert substance?
Elements with shells that are already full and have no electrons to lend are called noble gases—and helium, the smallest of these, is considered the most inert.
What is the room temperature for oxygen?
Basic InformationNameOxygenMelting point54.36 K (-218.79°C or -361.82°F)Boiling point90.20 K (-182.95°C or -297.31°F)Density0.001429 g/cm3Phase at room temperatureGas11 more rows•Dec 17, 2012
What is the color of oxygen?
Properties: Oxygen gas is colorless, odorless, and tasteless. The liquid and solid forms are a pale blue color and are strongly paramagnetic. Other forms of solid oxygen appear red, black, and metallic.
Can liquids flow?
Like the particles of a solid, particles in a liquid are subject to intermolecular attraction; however, liquid particles have more space between them, so they are not fixed in position. … Liquids will flow and fill the lowest portion of a container, taking on the shape of the container but not changing in volume.
Who named Oxygen?
Antoine-Laurent LavoisierIn 1775–80, French chemist Antoine-Laurent Lavoisier, with remarkable insight, interpreted the role of oxygen in respiration as well as combustion, discarding the phlogiston theory, which had been accepted up to that time; he noted its tendency to form acids by combining with many different substances and accordingly …
What are the only two elements that are liquids at room temperature?
The only liquid elements at standard temperature and pressure are bromine (Br) and mercury (Hg). Although, elements caesium (Cs), rubidium (Rb), Francium (Fr) and Gallium (Ga) become liquid at or just above room temperature.
What is the difference between inert gas and noble gas?
Answer: An inert gas is one that does not undergo chemical reactions. Noble gases refers to the right most group of the periodic table composed of helium, neon, argon, krypton, xenon, and radon. As you might have seen as an example in class, some noble gases can form chemical compounds, such as XeF4.