Which of the following is a element?
Sulphur is made up of only one kind of atom. Therefore it is an element. Other are compounds.... read more ›
What are elements give 5 examples?
Common examples of elements are iron, copper, silver, gold, hydrogen, carbon, nitrogen, and oxygen. At present, 94 are natural elements whereas 24 are synthetic. Thus, a total of 118 elements have been identified so far. Elements having an atomic number below or equal to 94 occur in nature.... continue reading ›
What are the 4 types of elements?
- The elements are classified as metal, non-metal, and metalloid.
- The extreme left side elements in the periodic table are metals, for example, sodium, calcium, caesium, etc.
- However, elements on the right side are generally referred to as non-metals, carbon, chlorine, oxygen, etc.
What are 7 elements examples?
- Hydrogen (H) - nonmetal.
- Helium (He) - nonmetal.
- Oxygen (O) - nonmetal.
- Neon (Ne) - nonmetal.
- Nitrogen (N) - nonmetal.
- Carbon (C) - reactive nonmetal.
- Silicon (Si) - metalloid.
- Magnesium (Mg) - alkaline earth metal.
What is called element?
1) In chemistry and physics, an element is a substance that cannot be broken down into simpler components by any non-nuclear chemical reaction. An element is uniquely determined by the number of protons in the nuclei of its atoms.... see details ›
Which substance is not an element?
Of the four elements of the ancients, water is the only one which is a pure chemical substance, albeit a compound and not an element.... continue reading ›
What are the first 20 elements?
Lithium, Beryllium, Sodium, Magnesium, Aluminium, Potassium, and Calcium are metals in the first twenty elements. Hydrogen, Helium, Carbon, Nitrogen, Oxygen, Fluorine, Neon, Phosphorous, Sulphur, Chlorine, and Argon are the non-metals in the first twenty elements.... see details ›
What are the 20 most common elements?
Most common 20 elements are: H, He, C, N, O, Na, Al, Si, S, Cl, K, Ca, Fe, Ni, Cu, Zn, Ag, Sn, Hg, Au.... see details ›
What are the 10 elements?
| Name of the Element | Symbol of the Element | Atomic Number |
|---|---|---|
| Nitrogen | N | 7 |
| Oxygen | O | 8 |
| Fluorine | F | 9 |
| Neon | Ne | 10 |
Is CH4 an element?
Methane (US: MEH-thayn, UK: MEE-thayn) is a chemical compound with the chemical formula CH4 (one carbon atom bonded to four hydrogen atoms). It is a group-14 hydride, the simplest alkane, and the main constituent of natural gas.... view details ›
Is h2o an element?
The chemical formula for water is H2O, which means each molecule of water consists of one oxygen atom chemically bonded to two hydrogen atoms. Thus, water is a compound.... see more ›
Is CO2 an element?
Carbon Dioxide- CO2 is a chemical compound composed of two oxygen atoms covalently bonded to a single carbon atom. CO2 exist in the earth'a atmosphere as a gas and in its solid state it known as dry ice.... continue reading ›
Is o2 an element?
Dear student, O2 represents a molecule of oxygen which is made up of two atoms of oxygen ;compounds are composed of different types of elements for example HO. Thus,O is an element.... see more ›