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20 questions
What are the vertical columns on the periodic called?
groups
periods
nonmetals
metals
metalloids
What do the vertical columns on the periodic table tell us?
The number of orbitals
The number of valence electrons (electrons on the outer most shell)
These are found on the Periodic Table.
Compounds
Elements
Mixtures
Which elements have properties in common?
elements in a group
elements in a period
Which elements have 1 valence electron?
period 1
group 1
group 4
The electrons in the outermost shell (main energy level) of an atom; these are the electrons involved in forming bonds
alkali metals (group 1)
Halogens (Group 17)
atomic number
valence electrons
A subatomic particle that has a negative charge
nobles gases
protons
electrons
neutrons
A subatomic particle that has a negative charge
nobles gases
protons
electrons
neutrons
A subatomic particle that has a positive charge and that is found in the nucleus of an atom
Proton
elecrtron
groups
neutrons
neutron
A subatomic particle that has a positive charge and that is found in the nucleus of an atom
not able to conduct heat or electricity, little to no metallic luster
A subatomic particle that has a negative charge
A small particle in the nucleus of the atom, with no electrical charge
What does the atomic mass tell you?
Basically, the number of electrons and protons added together
The number of neutrons
Basically, the number of protons and neutrons added together
The number of protons.
how many groups/families are on the table
15
16
17
18