Curium Symbol: Cm Atomic Number: 96 Atomic Mass: 247.0 amu (atomic mass units) Melting Point: 1345 C (1618 K, 2444.0 F) Boiling Point: approx 3100 C (3400K, 5600F) Number of Protons: 96 Number of Electrons: 96 Number of Neutrons: 151…
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Promethium is a highly radioactive lanthanoid, a synthetic rare earth metal. In its pure state it is silver-gray and metallic, though it is almost always used as a compound. Its atomic number is 61; its atomic symbol is Pm. It…
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Periodic Table of Elements: Quantum Numbers The periodic table of elements consists of 118 of the purest substances known to man. It is arranged in order of atomic numbers and specific properties that identify each element into certain columns and…
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Some of the largest natural crystals ever found are in the Cueva de los Cristales (Cave of Crystals) in Mexico. Some of these fabulous crystals are 36 feet long and can weigh as much as 55 tons. Formed from gypsum,…
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Hafnium Symbol: Hf Atomic Number: 72 Atomic Mass: 178.49 amu (atomic mass units) Melting Point: 2233 C (2506 K, 4051 F) Boiling Point: 4603 C (4876 K, 8317 F) Number of Protons: 72 Number of Electrons: 72 Number of Neutrons:…
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Matter is a tangible, touchable substance that can be seen, touched, tasted, and felt. Matter is opposed to the intangibles that exist because of the interactions with other forces of nature. In educational studies, dependent upon the course of study,…
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There are several types of biology books for kids. But some of these are much better than others. Here goes some suggestions for parents. Monarch Magic! Butterfly Activities & Nature Discoveries by Lynn Rosenblatt is excellent for children that are…
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By middle school, most students are aware that prisms can bend light. It isn’t until high school physics that polarization usually gets discussed, and even then only in basic terms of polarizing filters and intensity. This is a chance to…
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Atoms are the smallest units of a particular element that still retain all the properties of that element. The basis of chemistry involves the interactions between atoms. To be more specific, it involves the interactions between the positively charged particles…
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An atom is the smallest unit of a particular element that still retains the properties of that element. The various characteristics of an atom give rise to its chemical properties, or the way that it interacts with other atoms. These…
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