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Atom
Protons and neutrons
Electrons
Periodic table
Periodic Table 2
100
the smallest part of an element
What is an atom
100
Neutrons have no __________, they are __________
What is charge and neutral
100
electrons move around in the space outside the nucleus called the
What is electron cloud
100
An arrangement of the elements in order of atomic number, in which elements of a similar porperties are grouped in columns
What is the periodic table
100
Every element has its own unique ___________which can be used to idenifity that element
What is atomic #
200
An atom is made up of
What is everything around us
200
Protons have a ___________ charge
What is positive
200
Electrons have a _________ charge
What is negative (-)
200
Who created the periodic table
What is dimitri mendeleev
200
In a neutral atom...
What is The # of protons and the number of electrons are equal
300
Atoms are made up of even tinier particles called
What is protons, neutrons, and electrons
300
The Atomic number is the number of
What is protons in the nucleaus
300
Electron dot diagrams show the # of
What is valence electrons in an atom of an element
300
The elements on the periodic table are in
What is coloumns and rows
300
An elements symbol is represented by __________. The 1st letter is capitol and the 2nd is lower case.
What is 1 or 2 letters
400
An atom is made up of
What is protons, neutrons, electrons,cloud of electrons
400
The atomic mass is the mass of the
What is protons and neutrons
400
Valence electron are at the
What is very edge of an atom
400
an elements atomic numberis the number of _____ in the nucleaus
What is protons
500
+50
+50
500
-50
-50 Sorry
500
FREE POINT!!
What is FREE POINTS!!
500
what does the square of the periodic table include?
What is Element, atomic #, atomic mass.
500
A coloumn is a group or family and a row is a
What is period