Download vocab - SALAZAR!!

1. Alkali metals- Any of the highly reactive elements lithium, sodium, potassium, rubidium,
cesium, and francium, occupying Group IA (1) of the periodic table.
Sentence: The Alkali Metals are very reactive.
2. Alkaline Earth metals- The alkaline earth elements are metallic elements found in the
second group of the periodic table.
Sentence: The
Alkaline Earth metals are reactive, also, but not as reactive as the Alkali metals.
3. Halogen- The halogens or halogen elements are a group in the periodic table consisting of
five chemically related elements, fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and
astatine (At).
seventeen.
Sentence: Halogens are found in group
4. Inner transition elements- An inner transition metal is one of a group of chemical elements
on the periodic table.
Sentence: Inner
transition metals are in the middle of the periodic table.
5. Lanthanide series- When you look at the periodic table, you will see two rows that kind of
sit off to the bottom. Sentence: The Lanthanide series is the second row from the bottom.
Sentence: The Lanthanide series is the second row
from the bottom.
6. Actinide series- The actinide series is much different.
They are all radioactive and some are not found in
nature.
Sentence: The Actinide series is very reactive.
7. Noble Gas- The noble gases make a group of chemical
elements with similar properties: under standard conditions, they are all odorless,
colorless, monatomic gases with very low chemical reactivity.
Sentence: the Nobel Gases are the least reactive.
8. Transition Elements-The 38 elements in groups 3 through 12 of the periodic table are
called "transition metals". As with all metals, the transition elements are both ductile and
malleable, and conduct electricity and heat.
Sentence: Groups 3-12 are called transition elements.
9. Representative elements-The metallic elements which are found on the left side and in the
center
of
the
periodic
table
are
known
as
representative
elements.
Sentence: Metallic elements are very pretty and
are representative elements.
10. Chemical family-In chemistry, a group (also known as a family) is a vertical column in the
periodic
table
of
the
chemical
elements.
Sentence: A group of elements are
a chemical family.
11. Atomic number- The number of protons in the nucleus of an atom, which determines the
chemical properties of an element and its place in the periodic table. eleven.
12. Periodic table- A table of the chemical elements arranged in order of atomic number,
usually
in
rows,
so
that
elements
with
similar
atomic
structure.
Sentence: There are a lot of elements on the periodic
table.
13. Protons- The proton is a subatomic particle with the symbol p or p+ and a positive electric
charge of 1 elementary charge.
symbolizes protons.
Sentence: the letter P
14. Neutrons- The neutron is a subatomic hadron particle which has the symbol n or n0, no net
electric
charge
and
a
mass
slightly
larger
than
that
of
a
proton.
Sentence: Neutrons do not have a charge.
15. Electrons- The electron (symbol: e−) is a subatomic particle with a negative elementary
electric charge.
Sentence: Electrons have a negative charge.
16. Subatomic particles- In physics or chemistry, subatomic particles are the particles smaller
than an atom.
Sentence: subatomic particles are really small.
17. Nucleus- In cell biology, the nucleus (pl. nuclei; from Latin nucleus or nucleus, meaning
kernel)
is
a
membrane-enclosed
organelle
found
in
Sentence: The nucleus only in eukaryotic cells.
eukaryotic
cells.
18. Electric charge- one of the basic properties of the elementary particles of matter giving
rise to all electric and magnetic forces and interactions.
Sentence: Electric charges are the best!
19. Valence electrons- In chemistry, a valence electron is an electron that is associated with an
atom, and that can participate in the formation of a chemical bond; in a single covalent
bond, both atoms in the bond contribute one valence electron in order to form a shared
pair.
Sentence: Valence electrons are the electrons that can be lost
easily. They are on the outer ring.
20. Atomic mass- The atomic mass (ma) is the mass of a specific isotope, most often
expressed in unified atomic mass units.
Sentence: Hydrogen’s atomic
mass is 1.00795.
21. Groups- a column in the periodic table of chemical elements. Sentence: Groups go across
the periodic table.
22. Periods- Columns in the periodic table.
Sentence: Periods run
up and down in the periodic table.
23. Metals- A metal is an element, compound, or alloy that is a good conductor of both
electricity and heat.
Sentence: Metals can be hard or soft.
24. Non-metals- Nonmetal, or non-metal, is a term used in chemistry when classifying the
chemical elements.
Sentence: Non-metals are not metals.
25. Metalloids- A metalloid is a chemical element with properties that are in-between or a
mixture of those of metals and nonmetals, and which is considered to be difficult to
classify unambiguously as either a metal or a nonmetal.
Sentence: Mixtures of metals and non-metals are metalloids.
26. Chemical symbol- A chemical symbol is a 1-, 2-, or 3-letter internationally agreed code
for a chemical element, usually derived from the name of the element, often in Latin.
Sentence: Sodium’s chemical symbol is Na.