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Periodic Table Chemistry Regents Review Flashcards | StudBud
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Periodic Table Chemistry Regents Review
Periodic Table Chemistry Regents Review
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Regents questions on the periodic table for chemistry regents review
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Questions
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Answers
1
What is the charge of the Ca Nucleus
+20
+40
2-8-8-2
+2
2
Which term refers to how strongly an atom of an element attracts electrons in a chemical bond?
entropy
electronegativity
activation energy
first ionization energy
3
At STP, which element is solid, brittle, and a poor conductor of electricity
Mg
S
O
Ag
4
What property is defined as the energy needed to remove an electron
electronegativity
ionic radius
ionization energy
atomic radius
5
Which two elements have the most similar chemical properties?
potassium and strontium
hydrogen and helium
beryllium and magnesium
phosphorus and sulfur
6
The most common elements belong in this category
Metal
Non-Metal
Metalloid
7
At STP, which substance is a noble gas?
ammonia
chlorine
nitrogen
neon
8
What are the general trends for electronegativity and atomic radius from left to right?
Atomic radius decreases and electronegativity increases.
Both atomic radius and electronegativity increase.
Atomic radius increases and electronegativity decreases.
Both atomic radius and electronegativity decrease.
9
Which property
decreases
as you go down Group 17?
atomic radius
atomic mass
melting point
electronegativity
10
The element sulfur is classified as a
metal
nonmetal
noble gas
metalloid
11
Atomic size ___________ as you go across a period left to right
decreases
increases
remains the same
12
The arrangement of the elements from left to right in Period 4 is based on
the number of oxidation states
atomic number
atomic mass
the number of electron shells
13
Which list of elements consists of a metal, a metalloid, and a noble gas?
magnesium, sodium, sulfur
aluminum, sulfur, argon
silicon, phosphorus, chlorine
sodium, silicon, argon
14
How many valence elections are present on a Group 2 Element?
2
20
4
1
15
Metallic character increases as you go __________ a group and __________ a period
up a group/to the right in a period
down a group/to the right in a period
down a group/to the left in a period
up a group/to the left in a period
16
Which element has the greatest electronegativity
Ne
F
O
N
17
Which atom has the greatest attraction for the electrons in a chemical bond?
hydrogen
oxygen
silicon
sulfur
