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Chem 11 PT Unit Flashcards | StudBud
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Chem 11 PT Unit
Chem 11 PT Unit
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11th grade chemistry
Flashcards
35 cards
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Practice quiz
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Questions
35
Answers
1
The valence of gold is
9
1
2
7
2
The Noble Gases are very reactive.
True
False
3
A proton has a _______ charge
Electric
Negative
Neutral (No Charge)
Positive
4
Which of these elements is NOT named for a scientist?
Eu
Es
Md
No
5
Which of these has the larger atomic radius?
Rb
Sn
Sr
In
6
The correct electron configuration for all halogens ends in
s2
p5
s1
p6
7
The transition metals are in which family(ies)
18
3-12
13-15
1
8
The periods on a periodic table are
Vertical
Horizontal
Zig-zag
Diagonal
9
Full electron configuration for Na
+
1s22s1
1s22s22p63s1
1s22s22p6
1s22s22p63s2
10
Brittle means?
soft and bendable
Smooth
Man-made
Easily cracked or fractured
11
Which element has the highest melting point?
Neon (Ne)
Calcium (Ca)
Iron (Fe)
Hydrogen (H)
12
An ionic bond involves
metal and non-metal; with electroneg dif of 1.8
2 non-metasl; with electroneg dif of 1.7
2 non-metasl; with electroneg dif of 0.2
metal and non-metal; with electroneg dif of 0.2
13
We can find Alkaline Earth Metals freely in nature.
False
True
14
The valence of Barium is
1
2
8
6
15
Which of these has the highest electronegativity?
Rh
Li
Mn
Br
16
To create table salt (NaCl), which two periodic groupings need to bond?
Transition Metals and Halogens
Poor Metals and Alkali Metals
Alkaline Earth Metals and Noble Gases
Alkali Metals and Halogens
17
Which of these has the larger atomic radius?
Mo
W
Ag
Os
18
A collection of elements on the periodic table with similar properties are....
Families
Tables
Compounds
Periods
19
Which of the following is NOT isoelectronic with Kr
Se2-
Sr2+
Br-
Cl-
20
An example of an Alkali Metal is....
"Open" sign
Phone cord
Banana
Battery
21
The M shell can hold how many electrons?
18
2
8
14
22
Which element is the most reactive?
Krypton (Kr)
Potassium (K)
Sodium (Na)
Francium (Fr)
23
Polar covalent bonds require bonding between _____where the electronegativity difference is ___
two non-metals; less than 0.2
metal and non-metal; between 0.2 and 1.7
two non-metals; between 0.2 and 1.7
two non-metals; greater than 1.7
24
What is the Z number of Boron (B)?
5
2
18
10
25
A diamond has what characteristics?
Luster and dense
Reactive and lusterous
Dull and dense
synthetic and dense
26
What periodic group is Chlorine (Cl) located in?
Transition Metals
Alkali Metals
Halogens
Noble Gases
27
A malleable metal means?
it conducts electricity
it has a high melting point
it is very reactive
It can be shaped with pressure
28
Who was the genius that created the periodic table and got it right the first time?
Ernest Rutherford
Dmitri Mendeleev
Albert Einstein
29
The periodic table has vertical columns called ________
Rows
Tables
Groups/ families
Periods
30
What element is in group 16, period 3
Carbon
Magnesium
Sulfur
Oxygen
31
There can be up to ____ electrons in the 2nd energy shell.
4
18
2
8
32
Assuming a Noble Gas core, which of these is correct for Mercury?
6s24f146d10
6s24f145d10
6s24f145d9
5d9
33
The atomic mass (mass number) of an element is equal to ______
# of neutrons+protons
# protons
# of electrons
# of electrons+protons
34
Which of these has the lowest electron affinity?
S
Ba
Hg
Po
35
Arsenic has how many shells in use?
2
3
4
1
