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Electrons and the Periodic Table Flashcards | StudBud
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Electrons and the Periodic Table
Electrons and the Periodic Table
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A quiz about #valence #electrons and #periodic basics and #trends
Flashcards
45 cards
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Questions
45
Answers
1
What is the name for the group 1 elements?
Alkaline earth metals
Halogens
Noble gases
Alkali metals
2
What is the name for the group 8 elements?
Noble gases
Alkaline earth metals
Halogens
Alkali metals
3
What does an element's group number help you determine?
Number of electron shells
Number of protons
Number of valence electrons
Number of total electrons
4
What is the name for the group 2 elements?
Halogens
Noble gases
Alkaline earth metals
Alkali metals
5
What is the charge of an ion with 18 electrons and 17 protons?
+2
-1
-2
+1
6
What particle is lost or gained and results in an atom being charged?
Neutrons
Protons
Electrons
7
How many electrons can occupy the third energy shell?
4
16
8
2
8
Atomic number stands for ________ in an
ATOM
Protons and neutrons
Electrons
Protons and electrons
Protons
9
How many atoms are in Sodium's outermost shell?
1
2
8
16
10
Which of the following is
NOT
a name for electron energy levels used in the videos?
Shells
Energy levels
Slices
Orbitals
11
How many valence electrons do atoms in group 6 (like oxygen) have?
6
2
It depends on the atom
8
12
What subatomic particle determines an atom's identity?
Electrons
Neutrons
Protons
13
What does atomic mass include that atomic
number
does not?
Neutrons
Electrons
Space
Protons
14
How many electrons are in Fluorine's outermost shell?
7
6
8
2
15
What is the name for the group 7 elements?
Noble gases
Alkaline earth metals
Alkali metals
Halogens
16
How many electrons are in the second energy shell of a Beryllium (Be) atom?
4
8
2
0
17
How many electrons can occupy the lowest (first) energy shell?
3
2
1
8
18
A gas with 7 valence electrons is very reactive. What group does that gas belong to?
Noble gases
Halogens
Alkali metals
Metalloids
19
What TWO things change between isotopes of the same element?
Neutrons & atomic number
Neutrons & protons
Neutrons and atomic mass
Electrons and neutrons
20
A proton has a _____ charge and is located _________
Negative...around the atom
Negative...nucleus
Positive...around the atom
Positive...the nucleus
21
An electron has a ___ charge and is located ___
Positive... outside of the nucleus
Negative... in the nucleus
Neutral (no)... in the nucleus
Negative... outside of the nucleus
22
What is another name for electrons in the outermost shell?
Weak electrons
Valence electrons
Orbital electrons
Outside electrons
23
A neutron has a ___ charge and is located ___
Neutral (no)... around the nucleus
Positive... nucleus
Neutral (no)... nucleus
Negative... around the nucleus
24
What does a dot (or a cross) represent on an atomic model like the one shown in the picture?
An energy level
An electron
A hole in the atom
A positive charge
25
How many electrons are in Nitrogen's outermost shell?
5
10
8
2
26
What is the charge of an atom with 75 protons and 73 electrons?
+/- 2
+2
-2
4
27
Is there a (net) charge in an
atom
?
Yes
Sometimes
No
28
A positively charged ion is called a ________.
Fishion
Dogion
Anion
Cation
29
Which atomic particle does not account for atomic mass?
Ions
Protons
Neutrons
Electrons
30
What does an element's
period
number represent?
Number of electron shells
Number of protons and neutrons
Number of protons
Number of electrons in valence shell
31
How many valence electrons do atoms of Sulfur (S) have?
0
6
8
16
32
Atomic number stands for number of ___________ in an
ION
Neutrons
Protons
Protons and electrons
Electrons
33
What element has an atomic mass of 201 and an atomic number of 80?
Plutonium
Mercury
Lead
Nickel
34
Nonmetals generally have ________ valence electron shells.
Full shells
Almost full
Half full
Almost empty
35
How many valence electrons do atoms in group 2 have?
8
0
It depends on the atom
2
36
Why does an
atom's
atomic number help us determine the number of electrons?
It does not help us determine number of electrons
Atomic number is the amount of protons and neutrons
The number of protons and electrons must be the same
The atomic number ONLY represents the number of electrons
37
The modern model of the atom can be best described as...
A "sea" of (+) charge with (-) particles throughout
The smallest particle known
A "cloud" of (-) charged electrons surrounding a (+) nucleus
Electrons orbit the nucleus in straight in exact orbits
38
How many electrons are in the outermost (valence) shell of group 2 elements?
6
1
7
2
39
What is another name for a ROW (horizontal) on the periodic table?
Clade
Sect
Group
Period
40
A negatively charged ion is called a _________.
Anion
Isotope
Cation
Atom
41
In an isotope, only the number of _________ changes in an atom.
Protons
Neutrons
Electrons
Atomic number
42
How many electrons can occupy the second energy shell?
4
8
16
2
43
How many valence electrons do atoms of Aluminum (Al) have?
3
8
13
10
44
How many electrons does a Carbon atom need to fill its second energy shell?
4
8
12
2
45
What would be the atomic mass of a silver atom with 47 protons, 47 electrons, and 61 neutrons?
108
47
94
155
