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Atoms, Isotopes, Ions & the Periodic Table Flashcards | StudBud
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Atoms, Isotopes, Ions & the Periodic Table
Atoms, Isotopes, Ions & the Periodic Table
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A quiz about early atomic theory, subatomic particles, isotopes, and ions.
Flashcards
30 cards
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Questions
30
Answers
1
This isotope of lithium has ...
3 protons
7 neutrons
10 protons
7 protons
2
The scientist who discovered electrons was ______.
J.J. Thompson
Lord Kelvin
Dalton
Rutherford
3
An ion is an atom that has ...
different numbers of neutrons.
a neutral charge.
An unequal number of protons and electrons.
different numbers of protons.
4
The scientist who discovered the nucleus of the atom is ____.
J.J. Thompson
Dalton
Lord Kelvin
Rutherford
5
The isotope Nitrogen - 16 with a charge of minus 2 has...
9 protons, 7 neutrons, 8 electrons
7 protons, 7 neutrons, 7 electrons
7 protons, 9 neutrons, 7 electrons.
7 protons, 9 neutrons, 9 electrons
6
An isotope is an atom that has different numbers of...
alpha particles
electrons
neutrons
protons
7
The elements in group one of the periodic table are called...
Noble Gases
Halogens
Alkaline Earth metals
Alkali metals
8
The isotope Magnesium - 26 has how many protons and neutrons?
12,12
12,14
12,13
26,0
9
Name an element that is almost never found as a compound in nature.
Sodium
Neon
Oxygen
Chlorine
10
The scientist famous for creating the first periodic table is...
John Dalton
Ernest Rutherford
Lord Kelvin
Dmitri Mendeleev
11
This element is a nonmetal
Osmium
Nitrogen
Calcium
Chlorine
12
In general, nonmetals are on the ...
right side of the table
left side of the table
middle of the table
bottom of the table
13
Which of these particles did Dalton discuss in his theory?
protons, neutrons, & electrons
neutrons
protons
none
14
In an isotope symbol, the top number is the ______.
charge
electron number
mass number
atomic number
15
This atom's name is unlike its symbol.
Carbon
Silver
Gold
Silicon
16
Most of the atom is made of ...
dark matter
the nucleus.
empty space
protons, neutrons, & electrons
17
The scientist who proposed the "plum pudding" model is ...
Dalton
J.J. Thompson
Lord Kelvin
both Kelvin and Thompson
18
To find the electrons of a neutral atom...
use the atomic number.
use the group number.
use the period number.
use the atomic mass.
19
Which of these is NOT part of Dalton's Atomic Theory?
Atoms are not created or destroyed in chemical reactions.
Atoms do not form compounds with other atoms.
Elements are made of tiny particles called atoms
All atoms of an element are identical.
20
The identity of an atom is determined by its _____.
Atomic weight
Mass number
Atomic Mass
Atomic number
21
The symbol for tin is ...
Tn
Sb
Ti
Sn
22
Gold is in what period?
Period 4
Period 5
Period 7
Period 6
23
This element is a metaloid
Carbon
Silicon
Tin
Argon
24
Potassium is in what group?
Alkaline Earth Metals
Transition Metals
Nonmetals
Alkali Metal
25
An atom of sodium has ____ protons and _____ neutrons.
12,12
24,11
11,12
12,11
26
This element is in the Lanthanide Series
Germaneium
Cerium
Bohrium``
Francium
27
Most of the mass of an atom is found in the ____.
nucleus
neutron
electron
proton
28
The particles in the nucleus are ...
Protons and Neutrons
Protons
Neutrons
Electrons
29
In an isotope, you find the neutrons by ...
Subtracting the protons from the mass number.
Adding the protons and neutrons.
Adding the electrons and protons.
Subtracting the protons from the neutrons.
30
The person who labeled the particles of elements "atomos" meaning "uncuttable" is ...
J.J. Thompson
Democritus
Lord Kelvin
Dalton
