Atomic Theory
Periodic Trends
Nuclear Radiation
Systematic Naming
Significant Figures
100
They have particular spaces they can orbit and these orbits are
Electron Cloud
100
Atomic Radius is
the size of an atom
100
There are three main types of nuclear radiation?
Alpha, Beta, Gamma
100
Sn2+
Tin (II) Ion
100
all non-zeros are
significant
200
First cloud holds
2 electrons
200
Why does the Atomic Radius decreases left to right across a period it's because of ?
More Protons
200
When a neutron decays it becomes a protein and an electron..
Beta Particle
200
Li1+
Lithium Ion
200
0's to the right of a nonzero with NO decimal
may be significant
300
Second cloud holds
8 electrons
300
Ionization Energy is
energy required to remove an electron
300
travels faster than alpha and beta particles.
gamma rays
300
Sr2+
Strontium Ion
300
0's to the left are
not significant
400
third cloud holds
18 electrons
400
Ionization increases left to right because ___?
Decreases going down because of __?
Protons have a stronger hold
Shielding effects
400
slow moving and doesn't travel well through matter
Alpha particle
400
Pb4+
Lead (IV) Ion
400
Round the following to 3 significant figures
6.070
6.07
500
fourth cloud holds
32 electrons
500
Electronegativity is
an electrons attractiveness level
500
What is the symbol for Alpha, Beta and Gamma Particles?
500
Ca2+
Calcium Ion
500
Round the following to 3 significant figures
20.52
20.5