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Atomic Structure and the Periodic Table Flashcards | StudBud
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Atomic Structure and the Periodic Table
Atomic Structure and the Periodic Table
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atomic structure, groups, periods, families review for test
Flashcards
30 cards
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Questions
30
Answers
1
How many elements are in period 4?
10
8
32
18
2
Identify the halogen from period 4.
Kr
Br
I
K
3
The number of electrons in a silver atom
61
108
107.9
47
4
How many metals are in group 13?
2
5
3
0
5
How many neutrons are in an atom of bromine?
45
35
80
81
6
How many electrons are in Pb
2+
80
84
82
83
7
Which element is an alkali metal from period 5?
Ga
Rb
Sr
K
8
This scientist created the gold foil experiment
Rutherford
Bohr
Dalton
Chadwick
9
Which element has a mass number of 55?
Silver
Cesium
Zinc
Manganese
10
B, Si, Ge, As, Sb, and Te are
metals
chalcogens
gases
metalloids
11
Which element is a transition element?
Cesium
Tellurium
Tin
Copper
12
If atoms have the same number of protons but different number of neutrons they are called
isotopes
ions
siblings
cousins
13
How many electrons are in P
3-
?
12
18
15
34
14
An atom with 6 neutrons 6 protons and 6 electrons has an atomic number of of___________.
24
12
18
6
15
Where are electrons located?
Next to protons
Inside the nucleus
Next to neutrons
Electron cloud
16
How many neutrons does Mg-25 have?
14
11
13
12
17
The number of protons in a sodium atom
10
12
11
23
18
All atoms of the same element have the same number of _______.
protons
electrons, neutrons
protons, neutrons, electrons
protons, neutrons
19
How many protons does helium have?
4
1
3
2
20
In the notation
107
Ag, 107 represents the
atomic number
mass number
all of these
atomic mass
21
The mass number of sodium is
23
11
12
22.99
22
How many neutrons are in Fluorine-20
9
10
11
1
23
A _____ has a neutral charge.
Neutron
Electron
Proton
24
How many nonmetals, metalloids, and metals are in group 14?
1, 2, 3
2 ,2, 1
2, 1, 2
3, 0, 2
25
What does atomic mass represent?
mass of neutrons
mass of electrons plus neutrons
mass of protons plus electrons
mass of protons plus neutrons
26
Which element is an alkaline earth metal?
Pu
Cl
Cs
Be
27
How many electrons does a neutral atom of sulfur have?
16
32
20
11
28
The atomic number of cobalt
59
27
32
91
29
Which element has 26 electrons?
potassium
sodium
aluminum
iron
30
How are isotopes the SAME?
atomic mass
number of neutrons
all of these
atomic number
