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100
Electrons have this charge
What is negative?
100
Elements are made up of the all the same kind of this
What is atoms
100
these elements are relatively unreactive
What is noble gasses
100
a set of elements that have the most in common
What is groups
100
the study of how elements react with each other
What is chemistry?
200
Protons have this charge
What is positive?
200
these two things are at the center of an atom.
What is neutrons and protons
200
rows on the periodic table
What is periods?
200
The first element in the period table
What is Hydrogen?
200
a table that shows all the elements
What is periodic table
300
Neutrons have this charge
What is no charge/neutral?
300
Compounds are made up of multiple of these
What is elements
300
columns on the periodic table
What is groups
300
these two elements make up the compound water
What is hydrogen and oxygen
300
elements all have numbers this number refers to how many ____ the atom has.
What is protons?