When an atom loses electrons in a chemical bond, the atom is called ________.
The atomic number is the number of _____________ in the nucleus of an atom.
Suppose a neutral atom were to lose an electron. What would happen to the atom?
Which part of the atom is so small it contributes very little to the mass of an atom?
Where are the electrons in an atom found?
The atomic mass of an element ________.
Atoms are made of protons, neutrons, and ______.
Which particles are in the nucleus of an atom?
______ is matter made of one kind of atom.
The vertical columns in the periodic table are known as:
Why is the periodic table so useful to scientists?
The halogens are:
Which element listed below is a nonmetal?
Which statement best summarizes the development of the periodic table of elements over time?
A molecule is:
A water molecule contains ________.
Polymers are chains of molecules that ________________.
A diatomic molecule is made from __________.
When dissolved into water, a molecule of potassium chloride ___________.
What happens to electrons in an ionic bond?
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