stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Unit 5: Section 4.2 Review Flashcards | StudBud
Explore
/
Unit 5: Section 4.2 Review
Unit 5: Section 4.2 Review
20 terms
·
StudBud Administration
·
53 plays
#atomic structure #chemistry #physical science #isotopes #ions #periodic table
Flashcards
20 cards
F
Practice quiz
P
Host live
L
Questions
20
Answers
1
How many neutrons does Silver - 109 have?
62
63
60
61
2
What element has 107 protons?
Thallium
Radium
Bohrium
Lead
3
How many neutrons does Francium-225 have?
138
136
134
87
4
Which part of an atom has the smallest mass?
neutrons
electrons
protons
nucleus
5
Electrically charged atoms are called ions and have a different number of protons.
False
True
6
Un-reactive atoms have an equal number of
protons and electrons
neutrons and protons
electrons and neutrons
7
How many electrons does Lead have?
207
125
28
82
8
Which of the following never changes in an atom of an element?
The number of neutrons
The number of electrons
The number of protons
The mass number
9
How many protons does protium have?
3
0
1
2
10
How many protons does Deuterium have?
2
3
0
1
11
How many neutrons does Uranium-239 have?
146
147
91
92
12
Berkelium has how many neutrons?
150
97
247
118
13
What is the electric force?
attractive force between electrons and neutrons
attractive force between protons and neutrons
attractive force between protons and electrons
14
How do you find the number of neutrons?
atomic number + protons
mass number - protons
atomic number - mass number
protons + electrons
15
Tritium has a mass number of ____, an atomic number of ____, and ___ neutrons.
1, 2, 3
2, 1, 3
3, 1, 2
3, 2, 1
16
How many protons does Iron have?
29
26
56
71
17
What is the atomic number of Osmium?
190
24
84
76
18
Which isotope of H occurs the most frequently in nature?
Deuterium
Protium
Tritium
19
Isotopes have the same number of __, but a different number of __.
protons, neutrons
protons, electrons
neutrons, electrons
neutrons, protons
20
Losing an electron makes the atom become __ and is called a(n) ___.
negative, cation
negative, anion
positive, cation
positive, anion
