What is electronic configuration of Al?
2,8,3
Element with duplet state-
He
Element used to make drink cans
Aluminum
weather balloons
Helium
He discovered the presence of electron in an atom.
Who was J.J. Thompson?
What is electronic configuration of Lithium ion?
(2)+
Element which is the lightest gas-
H
Element used to make electrical wires
Copper
strong teeth and bones
Calcium
The way the periodic table is organized
What is the atomic number used for?
What is electronic configuration of Argon?
2,8,8
Most reactive non-metal-
F
used to make lubricants
Carbon
use it to breath
Oxygen
These give off small particles in the form of radiation.
What are radioactive elements?
What is electronic configuration of Potassium?
2,8,8,2
Non-metal which is liquid at room temperature-
Br
used to kill small germs in cuts-
iodine
a germ killer in swimming pools
Chlorine
These elements are made in a lab.
What are synthetic elements?
What is electronic configuration of phosphide ion?
(2,8,8)3-
element which is most reactive metal-
Cs
makes materials glow in the dark and also known as "light-bearer".
Phosphorus
makes blue glass
Cobalt
These scientists tried to turn lead into gold
What are alchemists?