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Atomic Structure Flashcards | StudBud
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Atomic Structure
Atomic Structure
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A Quiz revising the basics of atomic structure and the periodic table.
Flashcards
32 cards
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Questions
32
Answers
1
How do we find out the number of neutrons?
Atomic number - Atomic Mass
Atomic mass - Atomic number
Electrons - Mass
Mass - Electrons
2
Which subatomic particles are always present in the same amount?
Protons and Electrons
Neutrons and Electrons
Leptons and Quarks
Protons and Neutrons
3
How much of an atom is empty space?
12%
40%
99%
75%
4
What is the charge of a neutron?
Negligible
+1
-1
0
5
What is the chemical symbol for Sulfur?
S
Su
Sl
Z
6
What is the mass of a neutron?
1 MU
0 MU
2 MU
-1 MU
7
What is the mass of an electron?
-1 MU
1/2000th MU
2 MU
1 MU
8
What is the charge of an electron?
+1
-1
Negligible
0
9
An element has an atomic number of 3. What is it's electron configuration?
1.1.1
3
1.2
2.1
10
What is the atomic number of Iron
23
24
26
25
11
What is the mass number of sodium
132
23
32
44
12
What is the mass number?
Number of Protons
Number of protons + electrons
Number of shells + group number
Number of protons + neutrons
13
What is the chemical symbol for Iron
In
Ir
I
Fe
14
What is the mass of a proton?
1 MU
-1 MU
1/2000th of an MU
0
15
What is the chemical symbol for potassium?
P
Pt
Po
K
16
What is the name of the centre part of an atom?
Nitrogen
Nucleolus
Nuclues
Nucleus
17
How many electrons in an atom with 12 protons?
14
11
13
12
18
How much smaller is the nucleus of an atom than the size of the whole atom?
10 times
50 times
20 times
20,000 times
19
What does the period on the periodic table tell you?
Number of electrons in the outer shell
Number of protons in the outer shell
Number of electron shells
Number of electrons
20
Where do you find neutrons?
In orbit around the nucleus
Nucleus
None of these
Shells
21
Where do you find electrons?
Nucleus
In orbit around the nucleus
Shells
None of these
22
Which is not a subatomic particle?
Neutron
Electron
Nucleus
Proton
23
Which subatomic particle moves very fast?
Electron
Proton
Neutron
Nucleus
24
What is the correct name for the layers of electrons around the centre of an atom?
Skin
Orbit
Onion
Shell
25
What is the chemical symbol for Copper?
Cp
Cu
Co
Or
26
What does the group number on the periodic table tell you?
Number of electron shells
Number of electrons on the outer shell
Number of neutrons on the outer shell
Number of electrons
27
What is an isotope?
Atoms with the same number of protons as neutrons
Atoms with the same number of protons but different neutrons
Atoms with no neutrons
Atoms with different numbers of protons and neutrons
28
An element has an atomic number of 15. What is it's electron configuration?
2.8.1.4
2.2.8.3
8.7
2.8.5
29
What is the charge of a proton?
Negligible
+1
-1
0
30
What is the atomic number?
Number of electron shells
Number of neutrons
Number of protons + neutrons
Number of protons
31
What is the chemical symbol for Sodium?
Na
So
S
Sd
32
Where do you find protons?
In orbit around the nucleus
Shells
Nucleus
None of these
