PERIODIC TABLE AND PERIODIC PROPERTIES

How are elements on the periodic table arranged by?

• in alphabetic order
• simular physical & chemical properties
• their symbols
• Just simular physical properties

What element is will have the most similar physical and chemical properties to the element Bromine (Br)?

• Fluorine (F)
• Carbon (C)
• Krypton (Kr)
• Selenium (Se)

Number of valence electrons in halogens is ..........

• 1

• 4

• 3

• 7

Which element has similar chemical properties as sodium but has 7 energy levels?

• Francium (Fr)

• Cesium (Cs)

• Rubidium (Rb)

• Potassium (K)

Most of the elements on the periodic table are classified as _____.

• Metals
• Nonmetals
• Metalloids
• Periods

Which elements have the most similar chemical properties?

• K and Na
• K and Ca
• K and Cl
• K and S

which group has the strong electronegative character

• alkali metal

• lanthanides

• inert gases

• halogens

Atoms of elements in group 1 have ____________.

• one electron in their outermost energy level

• two electrons in their outermost energy level

• seven electrons in their outermost energy level

• eight electrons in their outermost energy level

Which of the following does not increase while moving down the group of the periodic table?

• Atomic radius

• Metallic character

• Valency

• Number of shell in an element

Metals are good __________ agents (oxidising/ reducing ) because they are electron donors.