Matter
Composition & Reactions
Atomic Theory
Atomic Motion
Periodic Table
100
Na and Au are examples of __________.
What are elements?
100
What does STP stand for?
What is standard temperature and pressure?
100
Is H2O polar covalent or nonpolar covalent?
What is polar covalent?
100
Melting and vaporization are what type of process?
What is endothermic?
100
Nonmetallic properties __________ from left to right on the Periodic Table.
What is increase?
200
This type of element is found on the right side of the Periodic Table.
What is a nonmetal?
200
What type of reaction is Mg + S --> MgS?
What is synthesis?
200
Given the electron configuration 1s2 2s2 2p2 what group is this element in?
What is the Carbon Family?
200
A process that releases heat to the surrounding is a _____________ change.
What is exothermic?
200
Atomic radius _____ from left to right.
What is decrease?
300
This type of bond is between two nonmetals.
What is a covalent bond?
300
What type of reaction is NaCl + KBr --> NaBr + KCl?
What is double replacement?
300
How many protons, electrons and neutrons are in carbon-13?
What is 6 protons, 6 electrons, 7 neutrons?
300
The warmer the particles, the ______ they move.
What is faster?
300
This type of element is a poor conductor of heat and electricity.
What is a nonmetal?
400
Name this compound...N2O5.
What is dinitrogen pentoxide?
400
How many moles are in 25 grams of oxygen gas?
What is 0.78 mol oxygen?
400
Electrons in their ground state can _____ energy, which sends the electron to a __________ energy level.
What is absorb and higher?
400
On a heating curve, along the slants what happens to kinetic energy?
What is increases?
400
Which element has the highest atomic radius Li, Na, K, Rb?
What is Rb?
500
Write the formula for sulfuric acid.
What is H2SO4?
500
Calculate the percent composition by mass of sulfur in CaS.
What is 44.4%?
500
What comes next 1s2 2s2 2p6 3s2 3p6
What is 4s2?
500
On a heating curve, along the slants what happens to potential energy?
What is it stays the same?
500
Which element has the highest electron affinity...Li, Na, K, Rb?
What is Li?
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