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Q 1/30
Score 0
a depiction or diagram of valence electrons around the symbol of an element
30
Electron Dot Structure (Lewis Structure)
Q 2/30
Score 0
compound made of cations and anions (metals and nonmentals)
30
Ionic compound
30 questions
Q.
a depiction or diagram of valence electrons around the symbol of an element
1
30 sec
Q.
compound made of cations and anions (metals and nonmentals)
2
30 sec
Q.
an electron in the highest occupied energy level of an atom
3
30 sec
Q.
the force of attraction binding oppositely charged ions together due to transfere of electrons from one atom to another (electronegativity difference above 1.7)
4
30 sec
Q.
any atom or group of atoms with a negative charge; gained electrons
5
30 sec
Q.
a mixture of two or more elements, at least one of which is a metal
6
30 sec
Q.
atoms in most compounds tend to achieve the electron configuration of a noble gas when bonding to become more stable (MOST atoms require 8 valence electrons)
7
30 sec
Q.
the lowest whole-number ratio of ions in an ionic compound
8
30 sec
Q.
any atom or group of atoms with a positive charge; lost electrons
9
30 sec
Q.
the attraction of a metallic cation for delocalized 'sea of electrons"
10
30 sec
Q.
a covalent bond between two atoms in which the shared electron pair comes from only one of the atoms (one atom shares two electrons with another which does not share any)
11
30 sec
Q.
a covalent bond formed by the equal sharing of bonding electrons from two atoms (electronegativity difference of 0-0.3)
12
30 sec
Q.
intermolecular foce that occurs when a hydrogen atom which is covalently bonded to a very electronegative atom (O,N,F) is also weakly bonded to an unshared pair of electrons in a nearby molecule
13
30 sec
Q.
a covalent bond involving two pairs of electrons; each atom donates one pair of electrons to the bond
14
30 sec
Q.
intermolecular interaction caused by the motion of electrons within molecules
15
30 sec
Q.
shows the kinds and numbers present in a molecule of a compound
16
30 sec
Q.
a chemical formula that shows the arrangement of atoms in a molecule or a polyatomic ion;
17
30 sec
Q.
a covalent bond between two atoms of significantly different electronegativities in which the bonding electrons are not shared equally (electronegativity difference of 0.4- 1.7)
18
30 sec
Q.
a covalent bond in which three pairs of electrons are shared by two atoms
19
30 sec
Q.
because electron pairs repel, molecular shape adjusts so the valence-electron pairs are as far apart as possible
20
30 sec
Q.
two or more valid electron dot formulas that can be written for the same molecule
21
30 sec
Q.
a molecule that ALWAYS consists of two atoms (Br,I,N,Cl,H,O,F)
22
30 sec
Q.
a covalently bonded group of atoms that behaves as a unit and has a positive or negative charge due to an overall gain (-) or loss (+) of electrons
23
30 sec
Q.
made of only 2 atoms, OR 2 atoms bonded to the central atom and 0 lone pairs on the central atom
24
30 sec
Q.
two atoms bonded to the central atom AND 2 lone pairs on the central atom
25
30 sec
Q.
four atoms bonded to the central atom AND 0 lone pairs on the central atom
26
30 sec
Q.
3 atoms bonded to the central atom AND 0 lone pairs on the central atom (lays flat)
27
30 sec
Q.
3 atoms bonded to the central atom AND 1 lone pair on the central atom (^ shape)
28
30 sec
Q.
has at least one polar bond AND the shape can be divided into negative and positive poles/halves
29
30 sec
Q.
has only nonpolar bonds OR the shape does not allow for the molecule to be divided into negative and positive poles/halves
