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Basic Atomic Structure & Periodic Table Intro Flashcards | StudBud
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Basic Atomic Structure & Periodic Table Intro
Basic Atomic Structure & Periodic Table Intro
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parts of the atom, reading the periodic table to get subatomic particles and draw Bohr Model
Flashcards
25 cards
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Practice quiz
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Questions
25
Answers
1
What particles in an atom contribute to the mass of the atom?
electrons, protons, and neutrons
protons and electrons
protons and neutrons
electrons and neutrons
2
Rows in the periodic table are also called...
groups
periods
families
columns
3
The symbol, "Z", stands for the
number of neutrons
mass number
atomic number
column number
4
Which element is in period 5 and IUPAC group number 6 (not 6A)
Ta
Bi
Mo
Po
5
Which category of elements makes up the largest percentage of elements on the Periodic Table?
Nonmetals
Metals
They are all about the same percentage.
Metalloids
6
Bromine has how many electrons when it's neutral?
Nonmetals don't have electrons
80
56
35
7
Which one of these elements has 6 valence electrons?
Na
F
O
Ca
8
If Z = 18, and the Average Mass = 40, how many neutrons are there?
58
18
22
40
9
What is the definition of a valence electron?
The electrons in the outermost energy level.
The electrons in the energy level closest to the nucleus.
The electrons in the nucleus.
The electrons in the middle energy levels.
10
What is the correct way to write the element symbol for silicon?
Si
si
sI
SI
11
The nucleus is positively charged because...
neutrons are negative and protons are positive
neutrons are positive and protons are neutral
neutrons are positive and electrons are negative
neutrons are neutral and protons are positive
12
How do you calculate the neutrons?
protons - Mass
electrons - protons
Mass - protons
protons - electrons
13
For each subatomic particle in the atom, which are correct?
p+ = -1, e- = +1, n0 = 0
p+ = 0, e- = +1, n0 = -1
p+ = +1, e- = -1, n0 = 0
p+ = +1, e- = 0, n0 = -1
14
The atomic number is equal to the number of _______.
electrons
protons
Atomic Number - that's a made up word!
neutrons
15
All atoms are electrically neutral because...
neutrons = protons
electrons = protons
protons = atomic number
neutrons = electrons
16
What is the maximum number of energy levels a neutral atom can have?
8
18
an infinite amount
7
17
How does one find the number of energy levels for an atom?
by looking at the "A" group number
by subtracting the protons from the mass
by finding the period number the atom is in
by looking at the "B" group number
18
Name the model that uses rings to represent energy levels with a nucleus in the middle.
The Neutral model
The Liberty High School model
The Earth model
The Bohr model
19
What element is in period 5 & column 6A?
Bi
Sb
Se
Te
20
What element is in column 4A and period 3?
Sc
Si
Ga
Ti
21
What main category of elements can be found along the stepline on the periodic table?
There is no such thing as a stepline!
The nonmetals
The metals
The metalloids
22
Every element has its own unique...
number of neutrons
period number
atomic number
column number
23
Which organization came up with numbering the columns from 1 - 18?
DNCE
NBA
IUPAC
YMCA
24
Which one of these elements is in period 4?
Li
P
N
As
25
How many valence electrons does Cl have?
3
5
7
17
