What are the formula and name for the following elements: a) Radium + Phosphorus. b) Aluminum + Carbon. c) Zinc + Hydrogen.Elements and Compounds:The formula of an element is also known as the symbol of the
elementapplies to any such part and often connotes irreducible simplicity. the basicelementsof geometry componentandconstituentmay designate any of the substances (whether elements or compounds) or the qualities that enter into the makeup of a complex product;componentstresses its separate entity or di...
These elements are known as the noble gases. They are non-reactive. They are found in pure (elemental) form. Noble metals can also be found in elemental form. Most substances around us are mixtures or compounds. Air is a mixture of nitrogen, oxygen, argon and traces ...
We were asked to determine which of the given compounds are considered elements. If the given substance contains only one type of element, it is...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer yo...
hydrogen will also react with oxygen to form compounds called oxides. For example, magnesium reacts violently with oxygen gas to form the white powder magnesium oxide (Figure 2.7). This reaction is accompanied by a release of energy as new chemical bonds are formed. When a new substance...
(or nucleon) number, which indicates the number of particles within the core of an atom; this means the protons and neutrons. Each isotope of a chemical element can vary in mass. The atomic mass of an isotope indicates the number of neutrons that are present within the core of the atoms...
All the earth's aluminum is combined with other elements to form compounds, and it is never found as a lone element. Aluminum oxide (Al2O3), aluminum hydroxide (Al(OH)3) and potassium aluminum sulfate (KAl(SO4)2) are common aluminum compounds. Aluminum and aluminum alloys have a variety...
The advantages claimed for hydrogen as an automobile fuel are the greater energy re-lease per unit weight of fuel and the absence of polluting emissions such as 0,C a . NO,. Sa,hydrocarbons. aldehydes and lead compounds. The product of combustion is water with ody traces of nitrogen oxides...
1. The Elements and The Periodic Table元素和周期表The number of protons in the nucleus of an atom is referred to as the atomic
havedifferentmassesandsizes.(Isthis stillcorrect?) 3.Chemicalcompoundsareformedbythe unionoftwooratomsofdifferentelements inwholenumberratios. Dalton’sAtomicTheory Modernresearchhasdemonstratedthat atomsarecomposedofsubatomic particles. Atomsunderspecialcircumstancescan ...