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Changes
Atomic structure and Theory
Stoichiometry
Bonding and molecular structure
Gases
100
The type of change that causes new substances to form from other substances is called this.
What is a chemical change
100
This makes up most of every atom
What is empty space
100
How many particles are in 5.00 moles of particles?
What is 3.01 X 10 to the 23.
100
The type of bonding that results from a transfer of one or more electrons from one atom to another.
What is Ionic Bonding
100
The Kinetic Molecular theory states these three postulates, and others.
What is: 1. gas particles are in constant, rapid and random motion. 2. Gas particles change direction when they collide into each other or against the walls of their container. 3. These collisions are elastic.
200
A change during which one element turns into another element is called this
What is nuclear change
200
The two particles that are in the nucleus.
What is protons and neutrons
200
How many atoms of oxygen are there in Ca(PO4)2?
What is 8
200
When Calcium loses electrons it becomes this
What is a cation
200
1.00 L of a gas at standard temperature and pressure is compressed to 473 mL. What is the new pressure of the gas?
What is 2.11 atm
300
For the equation, AgNO3 (aq) + KCl (aq)  KNO3 (S) + AgCl (aq) which of the following is TRUE? a. The equation shows a physical change b. AgNO3 (aq) reacts with KNO3 c. KNO3 and AgCl are formed d. KNO3 reacts with AgCl
What is KNO3 and AgCl are formed
300
write the electron configuration for Cl on the board.
What is 1s2 2s2 2p6 3s2 3p5
300
5. N2(g) + 3H2(g) --> 2NH3(g), what is the ratio for moles of N2 to moles of H2?
What is 1 mole N2 : 3 mole H2
300
the type of chemical bond resulting from a sharing of a pair of electrons between two atoms.
What is covalent
300
When the temperature of a gas increases, what happens to its volume
What is increase.
400
List four types of chemical changes
What is decomposition, combination, single replacement, double replacement.
400
Atoms of the element that have a different number of neutrons are called____________
What is an isotope
400
2. What happens to the limiting reactant during a chemical reaction
What is It runs out first
400
Draw the structural formula on the board for C3H8O
What is H H H H-C - C - C - 0 - H H H H
400
If I initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 K, and then I raise the pressure to 14 atm and increase the temperature to 300 K, what is the new volume of the gas?
What is 29.57 L
500
What will the formula be when Ca and Cl bond ionically
What is CaCl2
500
Write the electron configuration for Hs (#108) on the board.
What is 1s2 2s2 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f14 6d6
500
B2O3 + 3 Mg --> 3 MgO + 2B How many grams of boron can be produced from 15.00 grams of B2O3 and 12.0 grams of Mg
What is 3.6 grams of boron
500
The atom's ability to gain an electron in a chemical bond determines which type of bond a combination of atoms will form. This ability is called this
What is electronegativity
500
What is the volume of 22.0 grams of CO2 at 50.0 C and 1.50 atm.
What is 8.84 L