When Al reacts with Br, Al _____________ __________ electrons (2 words)
What is loses three?
The ability to pull electrons towards the nucleus
What is electronegativity?
The group the halogens belong to in the periodic table and the number of electrons lost/gained when forming an ion.
What is Group 7 and gain 1 electron?
The octet rule states that atoms tend to gain, lose, or share electrons to achieve how many valence electrons?
8 valence electrons
The number of valence electrons in an atom of fluorine.
What is 7?
_____ has the strongest attraction of electrons in a chemical bond.
1) N 2) Na 3) P 4) Pt
What is nitrogen?
Electrons in the outermost shell are called
Valence electrons
Identify the error and draw a correct version
Teacher will check
The bond created by the unequal sharing of electrons.
What is a polar covalent bond?
What is equally shared electrons?
Nonpolar covalent
An atom that loses one or more electrons becomes a
DOUBLE POINTS
What is a cation
A bond forms between carbon (2.55) and hydrogen (2.20). What type of bond would form based on the electronegativity values.
Nonpolar covalent
The names for the three intermolecular forces in the order: weakest first and strongest last.
What is London dispersion forces< dipole-dipole attraction< hydrogen bonding?
CH2Cl2 (Ionic/polar/nonpolar)
What is polar?
Of the three states of matter, which has the strongest IMF bonds.
What is a solid
What is the name of the molecule Cl2
Chlorine
What is the name of this molecule NH3
Ammonia
The molecular geometry for a water molecule.
What is bent
What is the formula for the following
ammonium chloride
NH4Cl
The IMFs present in water.
What are LDF, dipole-dipole attraction, and hydrogen bonding?
What is the formula for the following
Si2S4
Disilicon tetrasulfide
What are the 7 diatomic molecules
Hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine, iodine
The shape of CCl4.
what is tetrahedral?
The shape for NH3.
What is trigonal pyramidal?