The periodic table is organized in families and periods. Formation of sodium chloride (NaCl): In sodium chloride; sodium is a metal (alkali metal) and chlorine is non-metal. Sodium has a very low electronegativity. An average sodium … Salt on its own is neither; it is an ionic compound. Only bromine exists as a liquid at room temperature. Its only stable isotope is 23 Na. Non-Malleable and Ductile: Non-metals are very brittle, and cannot be rolled into wires or pounded into sheets. Determine the mass and volume of the unit cell for sodium. One useful way is by metals, nonmetals, and metalloids. Electronic configuration of sodium: 2, 8, 1. The lower the electronegativity, the easier the electron is lost and the stronger or more metallic is the metal. It loses an electron easily in chemical reactions so it is a strong metal. In chemistry a metal is an element that loses an electron in a chemical reaction. Nonetheless, there are many sodium compounds that are common in nature, such as sodium chloride, also known as table salt. It behaves as a nonmetal in reaction with sodium and a metal when combined with fluorine. Pure sodium is a soft, silvery metal that is incredibly reactive with both air and water. The radius of the sodium atom is 1.86 x 10−8 cm. The free metal does not occur in … Valence electrons = Electrons in … Sodium is a metal that forms a body-centered cubic unit cell. Sulphur is a non-metal: Magnesium is a metal (i) Poor conductor of heat and electricity (i) Good conductor of heat and electricity (ii) Neither malleable nor ductile (ii) Malleable nor ductile (iii) S + O 2 →SO 2 SO 2 + H 2 O → H 2 SO 3 (Sulphurous acid) Sulphur dioxide is acidic oxide. Using the periodic table, you can classify the elements in many ways. As a metalloid, boron's physical and chemical properties are between those of metals and nonmetals. Sodium has a very low electronegativity. It loses an electron easily in chemical reactions so it is a strong metal. It is a metal. Physical State: Most of the non-metals exist in two of the three states of matter at room temperature: gases (oxygen) and solids (carbon). In ambient conditions bulk gold is always classified as a metal. Other chemical elements commonly classified as metalloids include silicon, germanium, arsenic, antimony and tellurium. Sodium is a metal, and chlorine is a nonmetal. It is so highly reactive that pure sodium cannot exist on its own in nature. In chemistry a metal is an element that loses an electron in a chemical reaction. Sodium is a chemical element with the symbol Na (from Latin "natrium") and atomic number 11. Atomic number of sodium = 11. Number of electrons in outermost orbit = 1. Table salt is a salt. Carbon is a nonmetal but can sometimes be classified as a metalloid. Sodium is a metal, having atomic number 11. silicon is a semi-metal as it has properties of both a metal and a non-metal. 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