Basic
Piece of lab equipment most accurately measures volume of a liquid?
What is a graduated Cylinder
6. Identify the following element.
a) carbon
c) chicken noodle soup
d) water
e) pizza
What is A. Carbon
This reaction releases energy:
Exothermic
The proper name for the numerical value 6.02 x 1023?
What is Avogadro's number
The formula for density?
What is M/V=D
Identify the following physical change.
a) copper reacts with oxygen to form a green patina
b) milk spoils
c) water evaporates on a hot summer day
d) fermentation of grapes to make wine
What is C
The atom is made of two parts: the nucleus and electron cloud. The majority of the mass of the atom is in which part of the atom?
What is the nucleus
Which compound has the smallest molar mass?
CO2 c. CO
H2O2 d. H2O
What is d. H2O
calcium hydroxide is ionic or covalent
What is Ionic
A measure of the amount of kinetic energy of molecules in a substance is:
What is Kinetic Energy
An atom with 11 protons, 12 neutrons, and 11 electrons would have a mass number of:
What is 23?
Which group of elements is the least reactive?
What are the noble gases
The molar mass of calcium permanganate, Ca(MnO4)2?
What is 277.9 g/mol
The name of the method by which the volume of an irregularly-shaped object is found
What is water displacement?
The element found at 4s1
What is Potassium
Energy cannot be created nor destroyed only rearranged in form is known as:
What is Law of conservation of energy
Titanium forms a cation or anion
What is a Cation
The correct name of Al(NO3)3 is:
Aluminum (III) Nitrate
carbon tetrafluoride is ionic or covalent
What is covalent?
Examine the data in the chart below. Use this data to calculate the density of an unknown object.
Initial Volume of Water 52.2 mL
Final Volume of Water 56.2 mL
Mass of Unknown Object 38.5 g
What is 9.6 g/ml
Energy stored in a substance due to its position is known as:
What is potential energy
Which of the following is NOT a polyatomic ion?
a. NH4+1 c. Cl-1
b. SO4-2 d. CO3-2
What is Cl-1
____Cu + ____ AgNO3
What is 1,2,2,1
You have an aqueous solution that is 15% fructose. The solute is
What is fructose?
Is the following Endothermic or Exothermic:
6 CO2 + 6 H2O + sunlight
Endothermic