Basic Chem&Matter
Atom History
Radiation
Electron&Light
PT, Chem Rxns&Eq.
100
Give the definition of an ion.
A single particle with either a positive or negative charge.
100
Which element has the atomic number 9?
Fluorine
100
What type of radiation causes the largest decrease in the mass number of an element?
Alpha Radiation
100
How many electrons can be found within a single orbital?
2
100
What forms in an acid and base reaction?
Water and salt
200
If the formula for an ionic compound is represented by A2B3, what is the charge of the A ion?
+3
200
How many electrons does this neutral element have?
79
200
Beta decay occurs when...
Greater mass number than in the periodic table
200
How many valence electrons are found in the element nitrogen?
5
200
What is the following type of reaction?
AgNO3 ----> Cu(NO3)2 + Ag
Single-Replacement
300
A chemical change produces a _______.
New Compound
300
How many neutrons does a neutral Ruthenium atom have?
57
300
Complete the nuclear equation
42He
300
Which element has the highest ionization energy?
Li, K, Cs, or Rb
Lithium
300
What is the following type of reaction?
C3H8 + 5O2 ----> 3CO2 + 4H2O
Combustion
400
Density is an example of a ________.
Physical Property
400
The sum of protons and neutrons in an atom equals the ________.
Mass Number
400
What happens to the nucleus during gamma decay?
Nothing, it is unchanged
400
Which element has the following electron configuration?
1s22s22p63s23p2
Silicon
400
Balance the following chemical equation.
__TiCl4 + __Na ---> __NaCl + __Ti
1TiCl4 + 4Na ---> 4NaCl + 1Ti
500
What is the name for SnCO3?
tin(II) carbonate
500
The nucleus of an atom is ________ charged.
Positively
500
Alpha decay occurs when...
Atomic number is equal to or greater than 84
500
All of the elements in group 6A will end in the sub level abbreviation of ______.
p4
500
Balance the following chemical equation.
__C3H8 + __O2 ---> __CO2 + __H2O
1C3H8 + 5O2 ---> 3CO2 + 4H2O