Shared Flashcard Set

Details

Chapter 4 Review
Chapter 4 Review for semester exam
45
Science
9th Grade
12/16/2013

Additional Science Flashcards

 


 

Cards

Term
period
Definition
a horizontal row in the periodic table
Term
atomic number
Definition
the number of protons in the nucleus of an atom
Term
neutron
Definition
a subatomic particle that has no charge
Term
metal
Definition
an element that is shiny and conduct heat and electricity well
Term
orbital
Definition
a region in an atom where there is a high probability of finding electrons
Term
nonmetal
Definition
an element that conducts hear and electricity poorly
Term
proton
Definition
a subatomic particle that has a positive charge
Term
group
Definition
a vertical column of elements in the periodic table
Term
ion
Definition
a charged particle
Term
anion
Definition
a subatomic particle that has a negative charge
Term
mass number
Definition
the sum of the number of protons and neutrons
Term
isotope
Definition
atoms that have the same number of protons, but different number of neutrons
Term
average atomic mass
Definition
the weighted average of all naturally occurring isotopes
Term
valence electrons
Definition
an electron that is found in the outermost shell of an atom
Term
molar mass
Definition
the mass in grams of 1 mole of a substance
Term
semiconductor
Definition
an element that has properties of both metals and nonmetals
Term
mole
Definition
the SI base unit used to measure the amount of a substance
Term
nucleus
Definition
an atom's central region which is made up of protons and neutrons
Term
Dalton
Definition
Who proposed the first widely accepted version of the atomic theory?
Term
Bohr
Definition
Who proposed a model in which electrons can only be in certain energy levels?
Term
noble gases
Definition
What family does neon belong to?
Term
alkali
Definition
What family does sodium belong to?
Term
halogens
Definition
What family does chlorine belong to?
Term
alkaline earth metals
Definition
What family does calcium belong to?
Term
transition metals
Definition
What family does gold belong to?
Term
proton, neutron, electron
Definition
What are the 3 subatomic particles?
Term
+1, 1, and in the nucleus
Definition
What is the charge, mass, and location of a proton?
Term
0, 1, and in the nucleus
Definition
What is the charge, mass, and location of a neutron?
Term
-1, 1/1840, and outside nucleus
Definition
What is the charge, mass, and location of an electron
Term
lithium
Definition
Li
Term
copper
Definition
Cu
Term
sodium
Definition
Na
Term
helium
Definition
He
Term
sulfur
Definition
S
Term
oxygen
Definition
O
Term
F
Definition
fluorine
Term
Mg
Definition
magnesium
Term
Fe
Definition
iron
Term
False
Definition
True or False. Elements in the same horizontal row, or period, have the same number of valence electrons and similar chemical properties.
Term
nonmetal
Definition
Is carbon a metal, nonmetal or metalloid?
Term
nonmetal
Definition
Is radon a metal, nonmetal, or metalloid?
Term
metal
Definition
Is lead a metal, nonmetal,or metalloid?
Term
metal
Definition
Is potassium a metal, nonmetal, or metalloid?
Term
metal
Definition
Is calcium a metal, nonmetal, or metalloid?
Term
metalloid
Definition
Is silicon a metal, nonmetal, or metalloid?
Supporting users have an ad free experience!