Periodic table and Metals

Elements which are shiny, conduct electricity and heat are called

• metal
• nonmetal
• metalloid
• nonexistent

The central region of an atom where its neutrons and protons are is called the

• nucleus 

• electron cloud

• core 

• centre 

What is the name of group number 1?

• halogens

• noble gases

• alkali metals

• alkaline earth metals

What is the name of group number 2?

• transition metals

• halogens

• metalloids

• alkaline earth metals

A row on the Periodic Table of Elements

• family

• period

• row

• isotope

___________ is the only metal that is a liquid at room temperature.

• Platinum
• Water
• Tin
• Mercury

Which element is found in group 2, period 6?

• Oxygen (O)

• Barium (Ba)

• Selenium (Se)

• Carbon (C)

Which halogen is found in period 4?

• Krypton (Kr)

• Xenon (Xe)

• Bromine (Br)

• Iodine (I)

How did Mendeleev arrange the elements?

• alphabetical 
• density
• melting point
• atomic mass

The blue atoms are called 

• metals
• nonmetals
• metalloids
• noble gases