Noble gas used to fill ballons
Helium
Copper
Number of metalloids
6
Non-metal used for breathing
Oxygen
First element of the periodic table
Hydrogen
Noble gas used for illuminating certain signs
Neon
Name one characteristic of metals
Solid, shiny, good conductors of heat and electricity, ductile, malleable
Metalloid commonly used in electroics
Silicon
Non-metal present in all living organisms
Carbon
Number of elements in the periodic table
118
Periodic symbol of Xenon
Xe
Na
Metalloid which has the name similar to a country
Germanium
Name one characteristic of non-metals
Brittle, not malleable or ductile, poor conductors of heat and electricity.
Number of periods in the periodic table
18
Number of valence electrons
Eight
Name one alkali metal
Lithium, Sodium, Potassium, Rubidium, Cassium, and Francium
Which is the first metalloid in the periodic table
Boron
Non-metal with the periodic symbol of "Br"
Bromine
Last element of the periodic table
Oganesson
Name all the noble gases
Helium, Neon, Argon, Krypton, Xenon, and Radon
Name all the types of metals
Alkali Metals, Alkali Earth Metals, Transition Metals, and Post-transition metals
Name all the metalloids
Boron, Silicon, Germanium, Arsenic, Antimony, Tellurium
Name 5 reactive non-metals
Hydrogen, Carbon, Nitrogen, Oxygen, Flourine, Phosphorus, Sulfur, Chlorine, Selenium, Bromine, Iodine
The most electronegative element
Flourine