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Elements are most similar with other elements that are ____.
sodium
protons
periods
protons minus electrons
True
The atomic number and weight of each element
in the same group
electron cloud
The charge of an ion is defined as _____.
sodium
protons
periods
protons minus electrons
True
The atomic number and weight of each element
in the same group
electron cloud
True or False: Most of an atom is filled with empty space.
sodium
protons
periods
protons minus electrons
True
The atomic number and weight of each element
in the same group
electron cloud
Horizontal rows in the periodic table are called _____.
sodium
protons
periods
protons minus electrons
True
The atomic number and weight of each element
in the same group
electron cloud
Electrons are in a defined region of space close to the nucleus called ____.
sodium
protons
periods
protons minus electrons
True
The atomic number and weight of each element
in the same group
electron cloud
The periodic table is organized so chemists can easily see
sodium
protons
periods
protons minus electrons
True
The atomic number and weight of each element
in the same group
electron cloud
Based on its location in the periodic table, which of the following is classified as a metal?
sodium
protons
periods
protons minus electrons
True
The atomic number and weight of each element
in the same group
electron cloud
All atoms of the same element share the same number of _____.
sodium
protons
periods
protons minus electrons
True
The atomic number and weight of each element
in the same group
electron cloud
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