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Periodic table & Periodic trends Flashcards | StudBud
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Periodic table & Periodic trends
Periodic table & Periodic trends
15 terms
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StudBud Administration
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A lesson in periodic table organization and the trends based on it's periodicity
Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
Which parts of the atom move around the nucleus?
neutrons
protons
electrons
isotopes
2
In general, what of the following statements about metals is true?
Metals do not react with oxygen
Metals must be stored in sealed safety containers
Metals are malleable, ductile, and conductive
Metals are highly reactive
3
From an elements LOCATION in the periodic table, you can predict...
it's properties
its chemical name
its chemical symbol
number of neutrons in its nucleus
4
The 2 most common alkaline earth metals are...
Copper and Zinc
Iron and Silver
Sodium & Potassium
Calcium & Magnesium
5
Elements in the same group have _____
same state of matter
same number of valence electrons
same atomic radius
same number of electrons
6
Beta radiation consists of particles that are identical to...
electrons
helium nuclei
X-rays
Mr. O's breath... :-(
7
Measurements of half-life make radioactive isotopes useful for...
radiation therapy
Determining the ages of rocks and fossils
tracing oil spills
building shields to absorb nuclear radiation
8
The modern periodic table is arranged in order of increasing ______
Atomic mass
Atomic charge
Atomic number
Valence electrons
9
Atomic number is based on the
number of neutrons in its nucleus
number of protons in its nucleus
mass of it's nucleus
number of electrons around its core
10
The majority of elements exist in what state?
Gas
Solid
Liquid
Bose-einstein
11
In Rutherfords gold foil exp. "some" + charged part's deflected strongly. so R. inferred that..
an atom consists of neg charges scattered in + charges
electrons move in orbits around the nucleus
an atom's + charge must be clustered in a tiny center
electrons have almost no mass
12
Who arranged the elements by atomic mass and predicted properties of missing elements?
Lavoisier
Mendeleev
Newlands
Mosley
13
Elements that are poor conductors of electricity are likely _______
Metals
Actinides
Nonmetals
Metalloids
14
The elements that don't ordinarily form compounds are the...
noble gasses
metals
Lanthanides
elements in the carbon family
15
At room temp more than 1/2 of the NonMetal elements are...
Solids
Alloys
Liquids
Gasses
