What is the state of matter for sulfur?Sulfur:Sulfur is one of the non-metal elements on the periodic table of elements. Sulfur has a strong odor and usually has a yellow color. It has the atomic number 16, which also indicates how many protons are in sulfur's nucleus....
What is the mass number for beryllium? What is the mass number of an atom? What is silicon on the periodic table? A computer chip contains 1.20 \times 10^{23} atoms of silicon. What is its mass? What is the mass number for carbon?
Molar mass is the mass of one mole of a substance. We determine the molar masses from values on the periodic table. Answer and Explanation: Before we can sum all of the molar mass of the elements in acetic acid we need the chemical formula of acetic acid. Acetic acid's chemical formula...
On to the sixth row! No matter how careful you are, the sixth row would definitely kill you.This version of the periodic table is a little wider than you might be used to, since we're inserting the lanthanide and actinide elements into rows 6 and 7. (These elements are normally shown...
All life on Earth is carbon based, meaning the living things are composed of complex molecules that contain the element carbon. Carbon is an excellent starting material to make many different complex molecules because it can form four different bonds. This allows for a wide variety of molecules ...
One common chemistry assignment is to name or even memorize the first 20 elements and their symbols. The elements are ordered in theperiodic tableaccording to increasingatomic number. This is also the number ofprotonsin each atom. These are the first 20 elements, listed in order: ...
Arsenic, a chemical element placed in the nitrogen group of the periodic table that exists in both the gray and yellow crystalline forms. Arsenic is present in three allotropic forms- black, yellow and gray. A silver-gray and brittle crystalline solid are the stable forms. It gets tarnished ...
Related:How are elements grouped in the periodic table? Chemical elements can bond together to form chemical compounds, which are substances made up of multiple elements, like carbon dioxide (which is made of one carbon atom connected to two oxygen atoms), or multiple atoms of a single element...
Selenium is a chemical element and has the chemical symbol Se. It has anatomic number34. Selenium is a nonmetal and more rarely a metalloid. The properties of selenium intermediate between the elements above and below selenium in the periodic table i.e., sulfur and tellurium. Selenium has simi...
Mercury, in its many forms, is not an element to mess with. In its pure form, mercury is an element -- symbol Hg on the periodic table, metallic, atomic number 80. It's a silvery substance that's liquid at room temperature, and it's naturally occurring. Some estimates put the amount...