If rust is scraped off a nail, and the nail is shiny on the inside, the inside was
Which of these observations is NOT an example of a physical property of matter?
A(n) ______________________________ is the smallest complete part of an element that still has all the properties of that element.
Most of the mass of an atom can be found in the
Which of these particles are equal in number when an atom is neutral?
The particle that determines the identity of an element is the
Without electrons, atoms would carry a _______________ charge.
What is the maximum number of electrons that can exist in the first shell surrounding an atomic nucleus?
____________________________________ may be shared by or transferred to other atoms.
An isotope shares the atomic number with its element atom. How does it differ from the element atom?
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