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Ionic bonds form between ---
metals and nonmetals.
Covalent bonds form between ---
metals and metals
metals and nonmetals
What are valence electrons?
sum of the protons and neutrons
protons minus electrons
electrons in the inner shells
electrons in the outer shell
Atoms that gain an electron have an electric charge of ---
If an atom has 7 protons and 7 electrons, its electric charge is ---
Atoms form compounds to become more ---
Atoms gain lose, gain, or ______electrons to get a stable outer energy level.
A _______ is the force that holds atoms together in a compound.
An atom with a different number of electrons than it should have (more or less) is called an ---
Which of the following is NOT a covalent bond?
Which of the following is NOT an ionic bond?
Why do chemical bonds form?
so the number of protons equals the number of electrons
to fill the outermost electron level
so an atom can become unstable
An electron has a ___ charge.
A proton has a ___ charge.
According to the Octet Rule, atoms of elements react with each other in order to attain ____ electrons in their outermost energy level or shell.
An atom of Neon complies with the Octet Rule because it has ___ electrons in its outer shell.