Find That Element
The element that is found in Period 3 Group 14
Silicon
Which scientist experimented with gold foil and a beam of positively-charged particles?
Ernest Rutherford
Which groups of the periodic table contain the transition metals?
Groups 3-12
Atoms are made up of what three subparticles?
protons, neutrons and electrons
Who created the periodic table?
Dmitri Mendeleev
The element that is found in Period 6 Group 10
Platinum
Which scientist inferred in his theory that "all elements consist of atoms that cannot be divided"?
John Dalton
Argon is in which group of the periodic table?
Group 18-Noble Gases
How many protons are in a Hydrogen atom?
One
What does an element's atomic number tell us?
The number of protons in an atom
The element that is found in Period 5 Group 18
Xenon
J.J. Thomson discovered which particles in an atom?
Electrons
What is the element with the simplest atoms?
Hydrogen
Which elements atomic mass is 209 amu?
Polonium
What is an isotope?
An atom with the same number of protons and different numbers of neutrons
The element that is found in Period 4 Group 4
Titanium
Which scientist believed that electrons orbited the nucleus just as moons orbit a planet?
Niels Bohr
How many elements are included in the metalloid group?
Seven
How many electrons are in an atom of the element Sulfur?
16
Most of an atom is made up of what?
Empty space
The element that is found in Period 6 Group 2
Barium
Which scientist came up with the name "proton"?
Ernest Rutherford
Group 17 contains the halogen family. What does the word "halogens" mean?
"salt-forming"
How many neutrons are in an atom of the element Silver?
61 (would accept 60)
Which group of elements is sometimes referred to as "rare earth metals"?
Lanthanides