Atomic Structure
the middle of an atom
nucleus
the three atomic particles are
proton neutron electron
The atomic number tells this
Number of protons
These two elements (and a tiny bit of lithium) were created in the Big Bang
Hydrogen and Helium
AD
Anno Domini/Year of the Lord
the levels in which electrons orbit
energy levels
the proton has this charge
positive
The Atomic symbol is
After this element all others up to Uranium were created in super nova
iron
CE, BCE
Common Era/Before the Common Era
The last energy level
valence
the electron has this charge
negative
the element is the name of the
atom
The Element names for America
Americium
In what millennium CE were you born
2nd
All atoms have a neutral charge before they bond because
the neutron has this charge
neutral
the atomic mass tell this
number of protons and neutrons/weight
Synthetic elements are made in
particle accelerators/atom smashers/cyclotron
What are the three metal ages in order
copper/bronze/iron
The lightest atom is
hydrogen
The two particles in the nucleus are
proton and neutron
There are this many elements on the PTE
118
The element named for Albert Einstein
Einsteinium
Cultures that hunt/gather and have no permanent settlements
nomad