PA HELP PO PLSS UNG TAMA AT MATINONG SAGOT
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PA HELP PO PLSS UNG TAMA AT MATINONG SAGOT
WAG NA SUMAGOT KONG D ALAM
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ELEMENT
WHY ARE THEY ELEMENT?
~oxygen (O), nonmetallic chemical element of Group 16 (VIa, or the oxygen group) of the periodic table.
~Hydrogen is easily the most abundant element in the universe. It is found in the sun and most of the stars, and the planet Jupiter is composed mostly of hydrogen. On Earth, hydrogen is found in the greatest quantities as water.
~Air is a mixture that contains the elements nitrogen, oxygen and argon, and also the compound carbon dioxide. An alloy is a mixture of elements that has the characteristic of a metal. ... Elements. Air shows the properties of all the gases present in the atmosphere
~In chemistry, a group (also known as a family) is a column of elements in the periodic table of the chemical elements. There are 18 numbered groups in the periodic table; the f-block columns (between groups 2 and 3) are not numbered.
~A chemical element is a pure substance that consists of one type of atom. Each atom has an atomic number, which represents the number of protons that are in the nucleus of a single atom of that element. The periodic table of elements is ordered by ascending atomic number.
COMPOUND
WHY ARE THEY COMPOUND?
~Salt is an ionic compound, consisting of a crystal, lattice structure of the two ions Na+ and Cl-. Salt water is full of sodium chloride molecules. ... The chlorine has one extra electron and its outer electron shell is complete, so like sodium it too cannot bond with other atoms.
~When two or more atoms join together, we call it a molecule. When two or more atoms of different elements join together, we call it a compound.
~An element is a material that consists of a single type of atom. Each atom type contains the same number of protons. ... A compound consists of two or more types of elements held together by covalent or ionic bonds.
~Water is a compound. It contains more than one element: hydrogen and oxygen atoms are joined together; as illustrated in the video clip Elements and Compounds, above. An important feature of compounds is that they are very different from the elements from which they are made.
~The periodic tableThe periodic table shows 118 elements, including metals (blue), nonmetals (red), and metalloids (green). Hydrogen and helium are by far the most abundant elements in the universe.
Explanation:
Yan po ang aking sagot! ❤️