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PS Unit 3 Atoms and the Periodic Table Flashcards | StudBud
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PS Unit 3 Atoms and the Periodic Table
PS Unit 3 Atoms and the Periodic Table
20 terms
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periodic table, isotopes, atomic structure #atoms #atomicstructure #periodictable
Flashcards
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Questions
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Answers
1
Iron, copper,and gold and members of the _______ family.
Noble Gases
Alkali Metals
Halogens
Transition Metals
2
The name of group 17, or 7A, is the
Halogens
Alkali Metals
Noble Gases
Alkaline Earth Metals
3
Mass Number =
electrons + neutrons
electrons + protons
protons
protons + neutrons
4
When two smaller nuclei combine, like in stars, it is called
fusion
fission
5
____________ wrote the Atomic Theory.
Rutherford
Democritus
John Dalton
JJ Thomson
6
Atoms of the same element that have different number of neutrons are called
cations
protons
isotopes
neutrons
7
Most of the atom is made up of
neutrons
the nucleus
the electron cloud
protons
8
The atomic mass of Aluminum is 27 amu. 27 grams of Aluminum is one _____.
isotope
anion
atom
mole
9
Which particle in the atom identifies what element it is?
electron
proton
neutron
10
The most reactive nonmetals is ______.
Fluorine
hydrogen
oxygen
Francium
11
The unit for atomic mass is
gram
nanogram
amu
microgram
12
Which subatomic particle is the smallest?
electron
proton
neutron
13
The nucleus is composed of
only protons
protons and neutrons
electrons and neutrons
protons and electrons
14
Who wrote the Atomic Theory?
Hatter
Dalton
Rutherford
Thomson
15
Who discovered the nucleus with his Gold Foil Experiment?
Dalton
Rutherford
Hatter
Bohr
16
The Alkali Metals are extremely reactive because they have ___ valence electron.
1
3
8
2
17
Sodium is a member of the ________ Metal family
Noble Gas
Alkali
Alkaline Earth
Halogen
18
Neon has ____ valence electrons, which makes it unreactive.
8
18
6
2
19
How many electrons can fit in the 2nd energy level?
18
2
32
8
20
Which particle has about the same mass as a proton?
isotope
electron
nuclide
neutron
