Table of Contents
Which substance of the following has the lowest density?
Water has the lowest density under the normal condition because the tightly the particles are packed, higher will be the density. In the case of water, the particles move around freely without any disturbance.
Which substance has the lowest density water?
Solid water, or ice, is less dense than liquid water. Ice is less dense than water because the orientation of hydrogen bonds causes molecules to push farther apart, which lowers the density.
Which of the following substances has the lowest Vapour density?
Therefore, ethanal has the lowest vapour density.
Which of the following substances has the greatest density?
The correct answer is Gold. Gold has the highest density among the given elements. Density of Gold = 19.32 g/cc. The density, of a substance, is its mass per unit volume. Osmium is the densest element in the periodic table. Density of osmium = 22.6 g/cc.
What has the lowest density solid liquid or gas?
Notice that the solid (steel) is the most dense, the gas (air) is the least dense, and the density of the liquid (water) is in between.
Which among the following has lowest density and is lightest?
Explanation: Scandium is the element that has lowest density and is lightest.
What is less dense substance?
Students should realize that if an object weighs more than an equal volume of water, it is more dense and will sink, and if it weighs less than an equal volume of water, it is less dense and will float.
Which gas has lowest density?
Helium, the noble gas with least molar mass will have the smallest density.
Which has lowest density gas or plasma?
The three common phases (or states) of matter are gases, liquids, and solids. Gases have the lowest density of the three, are highly compressible, and completely fill any container in which they are placed.
Does gas have low density?
Gases have lower density than other states of matter, such as solids and liquids. When more gas particles enter a container, there is less space for the particles to spread out, and they become compressed. The particles exert more force on the interior volume of the container.
Which D block has lowest density?
Sc has the lowest density (3.1 g cm−3). It is lightest transition element.
Which of the following pair of transitional elements exhibit highest and lowest density?
Lowest : Sc(2.99g. cm-3), Highest : Ir (22.61g.
Are lighters less dense?
Less Dense, More Dense If an object is light for its size it has a low density. A pebble is heavy for its size, compared to a piece of popcorn which is light for it’s size.
Which is the least dense quizlet?
Liquids are less dense, and then gases are the least dense. Density equals mass divided by volume.
Which noble gas has the lowest density?
helium, at the top of group 0, has the lowest density in the group.
Which is less dense oil or water?
Since the oil is lighter, it is less dense than water and floats on water.
Which gas has lowest density at room temperature?
The Noble Gases has lowest density at room temperature.
Which solid has lowest density?
The world’s least dense solid is a graphene aerogel with a density of just 0.16 mg/cm³; produced by a research team from the Department of Polymer Science and Engineering lab at Zhejiang University, China, headed up by Professor Gao Chao (China). The material was announced in Nature magazine on 27 February 2013.
What has high density?
As it turns out, either of two elements can be considered the element with the highest density: osmium or iridium. Both osmium and iridium are very dense metals, each weighing approximately twice as much as lead.
Which state of matter has minimum density?
Well, clearly gases have the LOWEST density of all the states of matter.
Do liquids have low density?
All liquids have a specific density. A liquid with a lot of mass can have a low density and liquid with little mass can have a high density. Using alcohol, oil, water, glycerin, and syrup we will see how the different liquids will layer into a specific order.
Why is gas the least dense?
This is because the particles are tightly packed in both states. The same number of particles in a gas spread further apart than in the liquid or solid states. The same mass takes up a bigger volume . This means the gas is less dense.
What does lower density mean?
Definition: Density depends on how atoms or particles are arranged in matter in a specific volume. If the particles are loosely packed together with plenty of space between them, it will have a low density and will be able to float.
What is the lowest density metal?
Under standard conditions, lithium is the lightest metal and the least dense solid element. It is a soft, silver-white metal belonging to the alkali metal group of chemical elements.
Which 3d element has highest density?
Scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel copper, zinc. In the $3d$ arrangement, scandium has the least thickness and copper the most elevated thickness. Therefore, the correct option is (D).
Which metal has lowest melting point?
Mercury is a metal that is a liquid at room temperature. Its melting point is -38.83 °C and boiling point is 356.73 °C, both the lowest of any metal.
Which of the following element has maximum density SC Co Fe Mn?
The elements of the periodic table sorted by density Density Name chemical element Symbol 2.54 Strontium Sr 2.7 Aluminum Al 3.00 Scandium Sc 3.12 Bromine Br.
Which among the following element has higher density than zinc SC ti V?
Detailed Solution. The correct answer is option 2 i.e Osmium.
Which of the following has maximum density SC Co Fe Mn?
Answer: Iron. Fe is having the maximum density.
Why is hot gas less dense than cold gas?
when cold air of some density, say ‘d’ is heated, the molecules/atoms move apart from each other and so the volume expands. As mass of the air hasn’t changes and the volume has increased, hot air is less denser than cold air.
Why does heating air make it lighter?
The molecules in hot air are moving faster than the molecules in cold air. Because of this, the molecules in hot air tend to be further apart on average, giving hot air a lower density. That means, for the same volume of air, hot air has fewer molecules and so it weighs less.
