made up of atoms. W e may not be able to see them, but they are there, and constantly ... It is a small grain of sand. Similarly, the building blocks of all matter ar e atoms. ... suggested that the symbols of elements be made from one or two letters of the name of the element. Fig. : ...
This oxygen is stored not as an oxygen gas but as the chemical sodium chlorate. Oxygen in the environment. The crust of earth is composed mainly of siliconoxygen minerals, and many other elements are there as their oxides. Oxygen gas makes up a fifth of the atmosphere, amounting to more than a million billion tonnes.
It is made up of pure substances such as nitrogen, oxygen etc., all mixed into one, and you cannot tell them apart from one another without appropriate equipment. The reason of this difference is due to the fact that the particles in a mechanical mixture just layer out, and stay in groups with particles the same as it, so with the big groups it is easy to identify what it is.
Answer (1 of 5): None of the above. "Sand grain" denotes only discreet grains of a particular size, 1/16 mm up to 2 mm. A loose accumulation of particles in this size range would be a sand. If it becomes lithified it would be termed a "sandstone". The composition does not matter, but compositio...
· H2 and O2 would explode to HH and OO before forming the water molecule H2O which would take up less space then what it was before, so there's probably imposion, after the explosion. People that make welders out of H2 and O2 (and not in the books/proven HHO) say it .
Eight chemical elements comprise the majority of the mineral matter in soils. Of these eight elements, oxygen, a negativelycharged ion (anion) in crystal structures, is the most prevalent on both a weight and volume basis. The next most common elements, all positivelycharged ions (ions), in decreasing order are silicon, aluminum, iron, magnesium, calcium, sodium, and potassium.
· Elements in the Earth's Crust. The earth is composed of various kinds of elements. About 98% of the total crust is made up of eight elements as oxygen, silicon, aluminium, iron, calcium, sodium, potassium, and magnesium. The rest is constituted by elements like titanium, hydrogen, phosphorous, manganese, sulphur, carbon, nickel and others.
Oxygen makes up nearly half of the Earth's crust mass and 86% of the mass of the Ocean. That alone makes it a very important element. Then we add the fact that we need it to breathe, and we see the importance of oxygen. On Earth the production of oxygen gas (also called elemental oxygen) comes from photosynthesis carried out by plants and algae.
Oxygen is the chemical element with the symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other is Earth's most abundant element, and after hydrogen and helium, it is the thirdmost abundant element in the universe.
· The elements in the outermost surface of the Earth, the crust, are found mostly in trace amounts. Oxygen, the most abundant element in earth's crust, is nearly half of the crust's mass. Other abundant elements are silicon, aluminum, iron, calcium, sodium, potassium and magnesium.
· The four elements are oxygen to sustain combustion, sufficient heat to raise the material to its ignition temperature, fuel or combustible material and subsequently an exothermic chemical chain reaction in the material. Each of the four sides of the fire tetrahedron symbolise the Fuel, Heat, Oxygen and Chemical Chain Reaction.
· Remove oxygen from some elements and they go byebye. Air can also help people. They can make helpful air bubbles if you are drowning ... EARTH IS USEFUL sure you have the ability to fly in the air cause your a wind/air elemental but earth can use sand from the ground to the way up so ya...you can make sand fists and punch the living ...
· So, we can make water from hydrogen and oxygen, and chemists and eduors often do—in small quantities. It's not practical to use the method on a large scale because of the risks and because it's much more expensive to purify hydrogen and oxygen to feed the reaction than it is to make water using other methods, to purify contaminated water, or to condense water vapor from the air.
conditions. These elements are shown as shaded squares on the periodic table. Notice that the metalloids are found along the border of the metals and nonmetals. The most common metalloid is silicon (Si). Silicon combines with oxygen to form silicon dioxide. Sand is largely made up of silicon dioxide. Sand is used in making glass.
· A wide range of elements and compounds are used in the electronics of a phone. The chip, the processor of the phone, is made from pure silicon, which is then exposed to oxygen and heat in order to produce a film of silicon dioxide on its surface. Parts of this silicon dioxide layer are then removed where current will be required to flow.
· Create your account. View this answer. The main chemical element of most sands is oxygen. This is because the most common type of sand is mainly silicon dioxide (SiO2) and oxygen is the. See full answer below. Get access to this video and our entire QA library. Try it riskfree. How is oxygen produced commercially?
· Oxygen is the most abundant element in the human body. It's mainly found bound to hydrogen in the form of water. Water, in turn, makes up about 60% of the human body and participates in countless metabolic reactions. The element oxygen acts as an electron acceptor and oxidizing agent.
Like all elements, oxygen is made up of a nucleus of protons and neutrons, surrounded by a cloud of electrons. All oxygen atoms have 8 protons, but the nucleus might contain 8, 9, or 10 neutrons. "Light" oxygen16, with 8 protons and 8 neutrons, is the most common isotope found in nature, followed by much lesser amounts of "heavy" oxygen18, with 8 protons and 10 neutrons.
