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periodic table, atoms, elemtents,mixtures, and compounds
Terms in this set (103)
does matter have mass?
does matter take up space?
what is matter made up of?
what charge are neutrons?
what charge are electrons?
what charge are protons?
where are the neutrons found?
where are the electrons found?
true or false. you can find the number of protons and electrons by looking at the atomic number.
subtract the atomic number from the atomic mass
what do you do to find the amount of neutrons?
true or false. the number of protons and neutrons are the same.
are atoms neutral?
they have positive and negative charges
why are atoms neutral?
the number of electrons in each energy level
what do the shells represent?
what is at the top of a square on the periodic table?
what is at the bottom of the square on the periodic table?
is the chemical symbol under the element name?
true or false. you can find the number electrons and protons by looking at the atomic number.
when you find the number of neutrons, do you round the mass?
true or false. most atoms from chemical bonds with one or more atoms.
true or false. a molecule is a group of atoms that are joined together and is the smallest particle of a compound.
what is the force that binds atoms together called?
true or false. elements is one kind of atom and is pure.
true or false. compounds are not pure.
true or false. compounds are separated in nuclear reactions
what type of reaction are compounds separated in?
what type of reaction are elements separated in?
what type of reaction are mixtures separated in?
are mixtures pure?
are compounds pure?
true or false. mixtures are 2 or more elements or compounds physically together.
true or false. atoms are not found in matter.
when was the periodic table first constructed?
do compounds have fixed ratios?
is every molecule the same in a compound?
true or false. compounds do not have chemical formulas.
true or false. compounds take in large inputs of energy because of chemical bonding
is carbon dioxide a compound?
is cheese a compound?
is alcohol a compound?
is salt a compound?
is ammonia a compound?
is pure water a compound?
is baking soda a compound?
is gold a compound?
true or false. elements consist only 2 kinds of atoms.
true or false. elements can be broken down into a simpler type of matter by either physical or chemical change
are cookies an element?
is gold an element?
is water an element?
is helium an element?
is oxygen an element?
is paper an element?
are shoes an element?
is calcium an element?
true or false. mixtures have a chemical bonding.
true or false. mixtures each have its own identity.
true or false. each component of a mixture retain its characteristic properties
is water a mixture?
is salt water a mixture?
is lemonade a mixture?
is brass a mixture?
is blood a mixture?
is tape a mixture?
are curtains a mixture?
are humans a mixture?
are rocks a mixture?
compounds are written using ______________.
a(n) _________ is the smallest unit of a compound that can exist alone and keep the properties if a compound
a(n) _________ is a substance consisting of a single type of atom.
are metals shiny?
are nonmetals ductile?
are metals bad conductors?
are metals malleable?
are nonmetals malleable?
do metals have a low melting point?
do nonmetals have a high melting point?
something can be made into thin sheets
what does malleable mean?
something can be drawn into long, thin wire
what does ductile mean?
is boron a metalloid?
can metalloids conduct electricity bad and well?
an atom is the smallest part of a(n) _________.
neutrons, protons, electrons
atoms are made up of 3 particles. what are they?
in the periodic table, groups or families have similar _________________.
the ________ is in the center of the atom.
atoms are classified as matter because they have ________ and take up ________.
what are the outer levels where electrons are found called?
how many groups are are in the periodic table?
how many periods are in the periodic table?
where are the nonmetals located on the periodic table?
true or false. solid nonmetals are brittle and have low densities.
what is the number of electrons that an atom in the carbon family usually gains, loses or shares?
what is the number of electrons that an atom in the nitrogen family usually gains, loses or shares?
what is the number of electrons that an atom in the oxygen family usually gains, loses or shares?
what is the number of electrons that an atom in the halogen family usually gains, loses or shares?
they can conduct electricity under some conditions but not others
what are semiconductors?
from its location on the periodic table
how can an elements properties be predicted?
family or group
what is a column on the periodic table called?
is seawater a mixture?
is plastic a mixture?
are coins a mixture?
is paper a mixture?
is wood a mixture?
THIS SET IS OFTEN IN FOLDERS WITH...
Early Life on Earth, Atoms, Organic Compounds and…
Bio chapter 2.6- 2.12 and 3.1
Biology Chapter 9
Kellenberg Biology Trimester 1 (Suffix list)
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