It is a tabular arrangement of chemical elements that is arranged by increasing atomic number and groups elements according to recurring properties.
Alkali metals are found in group 1
Noble gases are in group 8
Mg Cu Br* Ag
Ni Cl* Fe F*
Write the symbol for each element and describe its physical properties.
Metal (M) /
Element Symbol Color Luster Nonmetal (NM)
Aluminum Al silver metallic M
Carbon C black nonmetallic NM
Copper Cu copper metallic M
Iron Fe gray metallic M
Magnesium Mg gray metallic M
Nickel Ni gray metallic M
Nitrogen N colorless nonmetallic NM
Oxygen O colorless nonmetallic NM
Phosphorus P white none NM
Silicon Si grey Metallic M
Silver Ag White metallic M
Sulfur S yellow none NM
Tin Sn gray metallic M
Zinc Zn blue metallic M
Fill in the correct atomic # and the classification which BEST describes the element.
alkali metal, alkaline-earth metal, transition metal, Element Atomic Number metal, non-metal, halogen, metalloid or noble gas?
Aluminum 13 alkaline-earth metal
Carbon 6 non metal
Copper 29 transitional metals
Iron 26 transitional metals
Magnesium 12 alkaline-earth metal
Nickel 28 transitional metals
Nitrogen 7 non metal
Oxygen 8 non metal
Phosphorus 15 metal
Silver 47 transitional metals
Sulfur 16 non metal
Tin 50 metal
Q.1 From their position on the periodic table, categorize the following elements as metals (M) or non-metals (NM):
Q.2 Give the name of each of the following elements:
|a. noble gas in Period 2||____neon__________________________|
|b. halogen in Period 2||_______fluorine_______________________|
|c. alkali metal in Period 3||_______sodium_______________________|
|d. halogen in Period 3||________chlorine______________________|
|e. alkali metal in Period 4||_____potsium_________________________|
Complete the table.
|Element||Atomic Number||Mass Number||Protons||Neutrons||Electrons|
Fill in the table.
Q.3 A neutral atom has a mass number of 80 and has 45 neutrons. Write its complete symbol. 80
Q.4 An atom has two more protons and two more electrons than the atom in question Q.3. What is its complete symbol?
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