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Periodic Table Flashcards | StudBud
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Periodic Table
Periodic Table
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quiz on chemistry
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1
Which trend is found in period 2 on the periodic table as the elements atomic number increases
decreasing electronegativity
decreasing atomic mass
increasing atomic radius
increasing first ionization energy
2
what are two properties of most nonmetals
low ionization energy and good electrical conductivity
High ionization energy and good electrical conductivity
low ionization energy and poor electrical conductivity
High ionization energy and poor electrical conductivity
3
The ability of carbon to attract electrons is
greater than nitrogen, but less than oxygen
less than nitrogen and oxygen
greater than oxygen and greater than nitrogen
less than nitrogen but greater than oxygen
4
which noble gas has the highest first ionazation energy
krypton
helium
radon
neon
5
the charge of a beryllium-9 nucleus is
+9
+5
+13
+4
6
which substance contains a bond with the greatest ionic character
F2
HCl
KCl
Cl2
7
What is the total charge of the nucleus of a carbon atom
6
-6
12
0
8
which characteristics are associated with metals
low ionization energy and high electronegativity
low ionization and low electronegativity
high ionization energy and high electronegativity
high ionization energy and low electronegativity
9
Atoms of the same element that have different numbers of neutrons are classified as
electrons
isomers
isotopes
charged atoms
10
Which substance is correctly paired with its type of bonding
Nh3 - polar covalent
Hcl-non polar covalent
NaBr-non polar covalent
Br2 - polar covalent
11
Which element has atoms with the greatest attraction for electrons in a chemical bond
lithium
beryllium
fluorine
oxegyn
12
Which diagram represents the nucleus of an atom of Al
13
27
14n13p
40N13p
27N13P
14N 27P
13
what is the atomic mass of Li
4.651
6.541
7.891
6.941
14
The atomic number of an atom is always equal to the number of its
protons plus neutrons
protons plus electrons
protons
neutrons
15
Which element in group 1 has the greatest tendency to lose an electron
rubidium
cesium
potassium
sodium
16
Which compound contains an ionic bond
No
Co2
No2
CaO
17
What is the definition of electronegativity
Ability to attract electrons
Energy needed to remove the outer most layers of electrons
Ability to attract protons
Ability to attract E
18
Which one is NOT a leoism
Sharing is caring
Leo an ox
Red Cat Ger
Mobile river
19
ontable s which sequence correctly places the elements in order of increasing ionization energy
H-Li-Na-K
I-Br-Cl-F
H-Be-Al-Ga
O-S-Se-Te
20
What is the total number of valence electrons in Mg-26
1
4
3
2
