Periodic Table
This gives the amount of protons.
What is the atomic number?
The brain of the atom.
What is the nucleus?
Elements in the same family (group) share these.
A substance that is shiny, malleable, and conducts electricity and heat well.
What is a metal?
Scientist who invented the periodic table.
Who is Dimitri Mendeleev?
The number of neutrons is given by this.
What is the mass number minus the atomic number?
Particle which has a positive charge.
What is a proton?
Name of the family of elements which begin with Fluorine which are extremely reactive and often dangerous.
What are the halogens?
A substance which is sometimes shiny and conducts electricity, but is often very brittle.
What is a metalloid?
Model of the atom before the nuclear model.
What is the plum pudding model?
What is the mass number?
Particle which has no charge.
What is a neutron?
Metal group of elements which explode in water.
What are alkali metals?
A substance which is neither shiny, malleable, or conducts electricity well.
What is a nonmetal?
Ancient Greek philosopher who first came up with the atomic view of matter?
Who is Democritus?
Atoms of the same element with different masses.
What are isotopes?
Particle which has a negative charge.
What are electrons?
Group of gases which are known to be extremely unreactive.
What are noble gases?
Phenomenon which explains the decay of very large atoms like Uranium into smaller ones.
What is radioactive decay?
Scientist who performed the gold foil experiment and discovered the nucleus.
Who is Ernest Rutherford?
Number of elements that are liquid at room temperature.
What is 2?
Electrons, protons, and neutrons are these.
What are subatomic particles?
Large group of elements in the middle of the periodic table which share similar properties?
What are transition metals?
Name of the property which allows a few select metals to form permanent magnets.
What is ferromagnetic?
Scientist from the 1800s who came up with the first modern idea of the atom.
Who is John Dalton?