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WorksheetsChapter 6 - Adv. Chem.
Total questions: 36
Worksheet time: 18mins
Who developed the first periodic table?
Thomson
Democritus
Mendeleev
Rutherford
Uranium has an atomic number of 92 and a mass of 238 amu. How many electrons are in a neutral atom of Uranium?
92
238
146
50
Aluminum has an atomic number of 13 and atomic mass of 27 amu. How many neutrons are in an atom of Aluminum?
13
27
14
40
How many valence electrons does Nitrogen have if it's atomic number is 7 and it is in period 2 and group 15?
2
5
7
15
Sulfur is in group 16. What is it's valence number?
+6
-6
+2
-2
What type of bond occurs between two nonmetals?
Ionic
covalent
metallic
polyatomic
What type of bonding occurs between a metal and a nonmetal?
ionic
covalent
metallic
polyatomic
How many atoms are in a molecule of magnesium phosphate Mg3(PO4)2?
3
8
12
13
How many hydrogen atoms are in (NH4)3PO4?
4
7
12
20
What group on the periodic table are the noble gases?
1
15
17
18
What is the formula for aluminum hydroxide? Al+3, OH-1
Al3OH
AlOH3
Al(OH)3
AlO3H3
What type of reaction is
4Ag + O2 ----> 2Ag2O
synthesis
decomposition
single replacement
double replacement
What type of reaction is
NaOH + HCl -----> NaCl + H2O
synthesis
decomposition
single replacement
double replacement
What type of reactions is
2H2O ----> 2H2 + O2
synthesis
decomposition
single replacement
double replacement
What type of reaction is
Mg + H2SO4 -----> MgSO4 + H2
synthesis
decomposition
single replacement
double replacement
What coefficient would you use in front of the Ag to balance the following equation?
Ag + O2 -----> Ag2O
1
2
3
4
What type of bonding involves sharing electrons?
Ionic
covalent
metallic
Polyatomic
Which scientist placed electrons in energy levels around the nucleus?
Thomson
Rutherford
Bohr
Chadwick
Who named the atom?
Democritus
Dalton
Mendeleev
Rutherford
What is the formula for Calcium carbonate? Ca+2 CO 3-2
Ca2CO6
Ca2(CO3)2
CaCO3
Ca2C2O6
What elements tend to gain electrons when bonding?
Metals
nonmetals
metalloids
noble gases
