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Sodium (Na) belong to Group 1, while Neon (ne), belong to group 18. Which element is more reactive?
A physical change.
the outermost shell
Group
Valence Electrons
Metals
Protons and Neutrons
Nonmetal
Sodium
In an atom, the valence electrons can be found at ___
A physical change.
the outermost shell
Group
Valence Electrons
Metals
Protons and Neutrons
Nonmetal
Sodium
An element is shiny, ductile, and is reactive. This element is grouped with ___.
A physical change.
the outermost shell
Group
Valence Electrons
Metals
Protons and Neutrons
Nonmetal
Sodium
An element is dull, brittle, and not reactive. This element is a __
A physical change.
the outermost shell
Group
Valence Electrons
Metals
Protons and Neutrons
Nonmetal
Sodium
Which of the following determines the reactivity of an atom?
A physical change.
the outermost shell
Group
Valence Electrons
Metals
Protons and Neutrons
Nonmetal
Sodium
The numbers (1-18) at the very top of the Periodic table of elements are called
A physical change.
the outermost shell
Group
Valence Electrons
Metals
Protons and Neutrons
Nonmetal
Sodium
What subatomic particles are found inside the nucleus?
A physical change.
the outermost shell
Group
Valence Electrons
Metals
Protons and Neutrons
Nonmetal
Sodium
Change of state, such as water evaporating, is an example of____.
A physical change.
the outermost shell
Group
Valence Electrons
Metals
Protons and Neutrons
Nonmetal
Sodium
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