What is the name of ancient bacteria? Archaea were initially classified as bacteria, receiving the name archaebacteria (in the Archaebacteria kingdom), but this term has fallen out of use. Archaeal cells have unique properties...
What class does algae belong to? Classification of Plant-like Protists Phylum or Division Class Common Name Division Chlorophyta Green algae Rhodophyta Red algae Euglenozoa Euglenoids Heterokontophyta Phaeophyceae Brown algae What phylum does red algae...
What are RNA molecules made of? Ribonucleic acid (RNA) is a linear molecule composed of four types of smaller molecules called ribonucleotide bases: adenine (A), cytosine (C), guanine (G), and uracil (U). What are...
Do metamorphic rocks have ribbon like layers? Metamorphic rocks are formed under the surface of the earth from the metamorphosis (change) that occurs due to intense heat and pressure (squeezing). The rocks that result...
Are nuclear bombs banned in war? The Treaty on the Prohibition of Nuclear Weapons is entering into force. On 7 July 2017, an overwhelming majority of States (122) adopted the TPNW. By 24 October...
What color is cobalt in water? Chloro Complexes of Cobalt(II) Pour concentrated Hydrochloric acid into the Cobalt Chloride solution. The Hydrochloric Acid turns the Cobalt solution blue. After the whole solution turns blue, add...
Can you use galvanized and stainless steel together? Under atmospheric conditions of moderate to mild humidity, contact between a galvanized surface and a stainless steel surface is unlikely to cause substantial corrosion. However, if...
What is the negative ion for sulfide? A sulfide ion is composed of a lone sulfur atom. Its charge is negative two, giving sulfides this formula: S^2-. Is lithium sulfide a polyatomic ion? Naming...
Are Semimetals ionic or covalent? why are some semimetals considered as a metal, and some, a nonmetal when paired with some atoms. Like in BF, it is an ionic bond, but in SiCl, it...
How many moles are in potassium chloride? It is defined as the gram-molecular mass of a compound per liter of solution. Take potassium chloride (KCl) for example. One mol of KCl is equal to...