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Periodic Table Flashcards | StudBud
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Periodic Table
Periodic Table
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Periodic Table review #periodictable #elements #chemistry #atoms #electrons #atomictheory
Flashcards
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Questions
31
Answers
1
How many electrons complete the last energy level?
6
8
4
2
2
The nucleus of an atom is composed of what?
neutrons + electrons
protons only
electrons + protons
protons + neutrons
3
Is Iodine a metal, nonmetal, or metalloid?
nonmetal
metalloid
metal
4
How was the first periodic table organized?
By number of neutrons
By atomic number
By atomic mass
Alphabetically
5
How many electrons complete the first energy level?
6
4
2
8
6
Is sodium a metal, nonmetal, or metalloid?
metal
metalloid
nonmetal
7
Is silicon a nonmetal, metal, or a metalloid?
nonmetal
metal
metalloid
8
The dots in an electron dot diagram represent what?
outer energy level electrons
protons
valence protons
all electrons
9
How is the modern periodic table organized?
By atomic mass
By chemical symbol
By density
By atomic number
10
Is uranium a metal, nonmetal, or metalloid?
metalloid
metal
nonmetal
11
Nitrogen has how many protons?
3
7
14
1
12
How many electrons complete the second energy level?
2
6
8
4
13
The most scientifically accurate atomic model is called what?
Electron cloud model
Plum pudding model
Bohr Model
Rutherford model
14
Carbon has how many electrons?
6
12
4
3
15
The number 8 represents what?
neutron number
mass number
atomic mass
atomic number
16
The metals that we are most familiar with are called the -
Alkaline Earth Metals
Alkali Metals
Actinides
Transition Metals
17
The carbon isotope, C-14, has how many neutrons?
8
6
12
14
18
Elements in group 17 on the periodic table have how many electrons on the outer energy level?
7
6
17
5
19
The atomic number on the periodic table represents what?
number of electrons
number of neutrons
weight of atoms
number of protons
20
What is the name of the atomic model pictured below?
Tompson model
Bohr model
Rutherford model
Electron cloud
21
An isotope has a different number of what?
protons
electrons
neutrons
22
How many neutrons does oxygen have?
2
16
7
8
23
Atomic mass equals what?
protons + electrons
protons + neutrons
protons
electrons + neutrons
24
The columns on the periodic table are called what?
metals
groups
halogens
periods
25
The elements in group 1 on the periodic table are extremely reactive. These are known as what?
Nobel Gases
Alkali Metals
Transition Metals
Metalloids
26
These elements have both metallic and non-metallic properties.
Lanthanides
Noble Gases
Metalloids
Halogens
27
How many electrons complete the third energy level?
2
6
4
8
28
Which scientist created the first periodic table?
Henry G. Mosley
Dimitri Mendeleev
Niels Bohr
J.J. Thomson
29
These tiny particles make up protons and neutrons.
tachyons
electrons
quarks
nucleons
30
The rows on the periodic table are called what?
groups
periods
alkali metals
noble gases
31
The number on the bottom (15.999) represents what?
atomic number
number of electrons
number of protons
atomic mass
