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Protons, neutrons, and electrons.
Number of protons in an atom's nucleus.
They have different numbers of neutrons.
To separate ions based on mass-to-charge ratio.
Electrons orbit the nucleus in fixed paths.
Electrons gain energy and move to higher energy levels.
Through the transfer of electrons between atoms.
A bond formed by the sharing of electrons.
Unequal sharing of electrons due to electronegativity differences.
Mixing of atomic orbitals to form new hybrid orbitals.
Atomic size, ionization energy, and electronegativity.
Reactivity increases down the group.
They form basic oxides and hydroxides.
It synthesizes ammonia from nitrogen and hydrogen.
They form ionic compounds by gaining electrons.
Rates of forward and reverse reactions are equal.
Strong acids completely dissociate in solution.
Loss of electrons by a substance.
Energy cannot be created or destroyed, only transformed.
Reactions that release heat to the surroundings.
There are ultimate particles that cannot be subdivided.
Indivisible building blocks of matter.
Electrons, protons, and neutrons.
Equal numbers make atoms electrically neutral.
The number of protons in its nucleus.
He proposed that elements consist of indivisible atoms.
Atoms can transform into other elements under certain conditions.
The negatively charged electron.
As a 'Plum Pudding Model' with electrons in a positive sea.
Most of an atom's mass is concentrated in a nucleus.
Electrons occupy quantized orbits and can jump between them.
The uncertainty principle regarding position and velocity.
The neutron, a neutral particle in the nucleus.
They have the same protons but different neutrons.
He conducted the first nuclear fission reaction.