NLN PAX RN Basic Chemistry Study Guide

NLN PAX RN Basic Chemistry Study Guide




4. ATOMIC NUM- BER
1. MATTER
Atomic Structure, Isotopes, Ions, and the Periodic
Atomic Structure, Table
Isotopes, Ions,
and the Periodic 5. MASS NUMBER
Table
Atomic Structure, Isotopes, Ions,
2. SUBSTANCE

Atomic Structure,
Isotopes, Ions,
and the Periodic
Table

3. ELEMENT

Atomic Structure,
Isotopes, Ions,
and the Periodic
Table


, NLN PAX RN Basic Chemistry Study Guide

a substance that has mass and
occupies space.
number of protons and neutrons (nucleons) in the nucleus of an atom




matter that has the same
composition and properties
throughout




any substance that cannot be
broken down into simpler
substances. Identified by its
symbol and its atomic
number.




is equal to the number of
protons found in the nucleus.






, NLN PAX RN Basic Chemistry Study Guide

and the Periodic
Table

6. ISOTOPE atoms of the same element with the same atomic number but with ditterent
numbers of neutrons
Atomic Structure,
Isotopes, Ions,
and the Periodic
Table

7. ATOMIC MASS The atomic mass may be considered to be the total mass of protons, neutrons and
electrons in a single atom.
Atomic Structure,
Isotopes, Ions,
and the Periodic
Table

8. ION atom that has a positive or negative charge

Atomic Structure,
Isotopes, Ions,
and the Periodic
Table

9. ATOM smallest unit of an element that still retains the properties of that element consists
of thre subatomic particles.
Atomic Structure,
Isotopes, Ions,
and the Periodic
Table

10. PROTON a subatomic particle that has a positive charge and that is found in the nucleus of
an atom
Atomic Structure,