Vocabulary
What is a chemical property?
Something that can only be viewed by changing the identity of the object/element
Which covalent bond type has unequal sharing between electrons?
Polar Bonds
What is the most reactive metal on the periodic table?
Francium (Fr)
What is the difference between a homogeneous mixture and heterogenous mixture?
A homogeneous mixture is the same compound through out whereas heterogenous is different compounds throughout
Which state of matter has the lowest energy? (Solid, liquid, or gas?)
Solid: This is because the molecules move very slowly, resulting in less kinetic energy and energy overall.
What is a physical property?
A physical property is something that is observed WITHOUT changing the identity of the object/element
What is an ionic bond?
A bond between metals and nonmetals
What is group 17 on the periodic table called?
Halogens (salt-formers)
Is Salad a homogenous mixture or heterogenous mixture?
Heterogenous
True or False- Physical Changes can be undone
True
Define a metallic bond
A bond between 2 metals
What is the difference between Intermolecular bonding and Intramolecular bonds?
Intermolecular bonds are between between multiple molecules, while Intramolecular is within a molecule.
What is the periodic table trend that applies only to groups 1,2 and 13-18? (Block A)
The amount of Valence electrons
Is water a compound or mixture?
compound
What is the difference between Isotopes and Ions?
Isotopes have varying numbers of neutrons whereas Ions have varying numbers of electrons.
What is condensation?
When a gas becomes a liquid
Which one of these is covalent bond?
NaCl
NaF
H2O
MgO
H2O
Which family is Alklai metals?
Group 1
IS oxyegen an element or a mixture?
Element
What is the density of an object with a mass of 10.5 and a volume of 5? (Remember the formula for density is d=m/v!)
2.1
What is a metalloid?
A element with properties of metals and nonmetals
Which of these are nonpolor bonds?
NaClH2O
C2C2
Which period has 4 orbitals
4
Is dissolved Suger a homogenous or heterogenous mixture
Homogenous
What is the formula for sodium cloride?
NaCl