What the measurement (length, liquid volume, solid volume, time, mass, or temperature) that 347 kg represents
Mass
A material that is most likely both malleable and conducts electricity easily
metal
The subatomic feature that is UNIQUE for each element, even if there are different charges or isotopes
The number of protons
the chemical formula for carbon monoxide
CO
Magnesium Chloride (MgCl2) is added to Hydrogen Sulfide (H2S). At the end of the reaction, you have magnesium sulfide (MgS) and hydrogen chloride (HCl). Name the products
magnesium sulfide (MgS) and hydrogen chloride (HCl)
The metric prefix that equates to 0.001
milli-
A pure substance that can be broken down into simpler substances
compound
The rows on the periodic table
periods
The symbol for glucose (six carbon, twelve hydrogen and six oxygen atoms)
C6H12O6
It's where is the chemical energy stored in a compound
bonds
Of direct or indirect, type of relationship indicated here:
indirect
Of change in color, production of gas, change in size, formation of a precipitate: the one that is NOT a clue that a chemical change has occurred
change in size
The columns on the periodic table
groups
The coefficients for this equation when it is balanced:
___ H2 + ___ O2 ---> ____ H2O
2 H2 + 1 O2 ---> 2 H2O
In terms of energy, how you would classify the combustion of propane
Exothermic
How many cL are in 20 L?
2000 cL
20L x 100 cL/1L = 2000 cL OR
20L x 1 cL/0.01L = 2000 cL
Of water heated up and turns to steam, a popsicle melting or a rotting pear: the one that is a CHEMICAL change.
rotting pear
The number of neutrons in an isotope of chlorine which has a mass number of 37 and an atomic number of17
20
True or False: A stable electron configuration is one in which the HIGHEST occupied energy level is filled with electrons.
TRUE
Type of reaction where the cations "swap" the anions that they were bonded to previously
double replacement
How many km are in 3500 m?
3.5 km
3500m x 1km/1000m = 3.5 km OR
3500m x 0.001km/1m = 3.5 km
The phase change in which a solid changes directly into a gas without first becoming a liquid is called
Sublimation
The group of elements on the periodic table that are the least reactive
Noble Gases
What each dot in an electron dot diagram represents
a valence electron
In a ___________ reaction, a compound breaks down into two or more simpler substances
decomposition