What is families/groups?
Elements directly surrounding the staircase on the periodic table.
What are the metalloids?
has 4 valence electrons
What is group 14 on the periodic table?
The number of electrons or protons.
What is the atomic number?
2 things found in the nucleus of an atom.
What is the Protons and Neutrons?
Elements to the left of the zig zag/staircase.
What are metals?
Helium
What is non-metal?
Has 1 valence electron.
What is group 1 on the periodic table?
Copper's typical number of electrons.
small particles found outside the nucleus of the atom.
What are electrons?
Group 13's number of valence electrons.
What is 3?
An object that is not malleable, typically brittle and has a dull luster.
has a full valence shell
What is group 18 on the periodic table?
Argon's typical number of neutrons.
What is 22?
Contains 99% of the Mass of the atom
What is the nucleus?
Elements in the same group or family have the same number of these.
What is valence electrons?
What is Hydrogen?
An element with a full valence shell, but only has 2 valence electrons.
What is helium?
The number of neutrons more atoms of Hydrogen contain.
Makes up the majority of the volume of an atom.
What is the electron cloud?
3 characteristics of metals
What are shiny, malleable, ductile, conductors?
typically has 1-2 valence electrons but cannot be fully determined this year based on our rule.
What are groups 3-12 on the periodic table?
Atoms of an element with a different number of neutrons than normal.
What is an isotope?
When this number changes you have a completely different element.
What is the number of protons?