Learning Outcomes

state names and symbols of the first 20 elements plus Fe, Cu, Zn, Pb, Ag, I, Au.
understand that the periodic table is arranged according to increasing atomic numbers.
understand that different elements have different atomic numbers (atomic number is unique to an element, no two elements have the same atomic number).
Define “atomic number”
understand that atoms have the same number of electrons as protons.
Define “mass number”
calculate the number of protons, electrons and neutrons in atoms of given elements.
understand that the periodic table is made of horizontal rows called periods and vertical columns called groups.
understand that elements in the same group have similar chemical properties - react similarly.
understand that elements in the same period have the same number of shells.
identify metals and non metals in the periodic table.
compare some physical properties of metals and non metals
describe some physical properties of metals.
understand that different metals have different properties, therefore they have different uses.
link the uses of metals to their properties.

Tricks to learn 1 to 20 elements

Periodic table, in full periodic table of the elements, in chemistry, the organized array of all the chemical elements in order of increasing atomic number—i.e., the total number of protons in the atomic nucleus. When the chemical elements are thus arranged, there is a recurring pattern called the “periodic law” in their properties, in which elements in the same column (group) have similar properties.

The initial discovery, which was made by Dmitry I. Mendeleyev in the mid-19th century, has been of inestimable value in the development of chemistry.

Learn 1 to 20 Elements

How to find atomic number, Mass number, Protons, electrons, and Neutrons?

Worksheet on Protons, Neutrons and Electrons

What are Cations and Anions?

Try this Quiz after reading Cations and Anions

Cations are positively-charged ions (atoms or groups of atoms that have more protons than electrons due to having lost one or more electrons).
Anions are negatively-charged ions (meaning they have more electrons than protons due to having gained one or more electrons). Cations are also called positive ions, and anions are also called negative ions.

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Learning Outcomes

What are Cations and Anions?

“The more that you read, the more things you will know, the more that you learn, the more places you’ll go.”– Dr. Seuss