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8.5 A, B, C Flashcards | StudBud
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8.5 A, B, C
8.5 A, B, C
11 terms
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atomic structure and periodic table.
Flashcards
11 cards
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Practice quiz
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Questions
11
Answers
1
What is the mass number of an atom with 3 protons, 4 neutrons, and 3 electrons?
6
10
5
7
2
Periods tells us the number of....
valence e-
orbits
reactivity
atomic number
3
Which subatomic particle orbits the nucleus in the electron cloud?
proton
electron
neurtron
neutrino
4
Helium has how many protons?
3
0
1
2
5
Ag has an atomic mass of....
108
19
5
34
6
How many electrons are in the nucleus of a atom with an atomic number of 20?
20
0
15
10
7
Which subatomic particle shows us the identity of an atom?
e-
p+
n0
m#
8
which tow subatomic particles are located in the nucleus of an atom?
protons and electrons
electron and neutrons
protons and neutrons
neutrons and neutrons
9
What is the charge of the nucleus of an atoms?
- negative
= equal
+ postive
0 netural
10
what type of charge does a proton have?
postive
negator
negative
neutral
11
a group or family in the periodic table run from
side ways
left to right
right to left
top to bottom
