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Chapter 6 - Adv. Chem.

Total questions: 36

Worksheet time: 18mins

Name
Class
Date
1.

Who developed the first periodic table?

a)

Thomson

b)

Democritus

c)

Mendeleev

d)

Rutherford

2.

Uranium has an atomic number of 92 and a mass of 238 amu. How many electrons are in a neutral atom of Uranium?

a)

92

b)

238

c)

146

d)

50

3.

Aluminum has an atomic number of 13 and atomic mass of 27 amu. How many neutrons are in an atom of Aluminum?

a)

13

b)

27

c)

14

d)

40

4.

How many valence electrons does Nitrogen have if it's atomic number is 7 and it is in period 2 and group 15?

a)

2

b)

5

c)

7

d)

15

5.

Sulfur is in group 16. What is it's valence number?

a)

+6

b)

-6

c)

+2

d)

-2

6.

What type of bond occurs between two nonmetals?

a)

Ionic

b)

covalent

c)

metallic

d)

polyatomic

7.

What type of bonding occurs between a metal and a nonmetal?

a)

ionic

b)

covalent

c)

metallic

d)

polyatomic

8.

How many atoms are in a molecule of magnesium phosphate Mg3(PO4)2?

a)

3

b)

8

c)

12

d)

13

9.

How many hydrogen atoms are in (NH4)3PO4?

a)

4

b)

7

c)

12

d)

20

10.

What group on the periodic table are the noble gases?

a)

1

b)

15

c)

17

d)

18

11.

What is the formula for aluminum hydroxide? Al+3, OH-1

a)

Al3OH

b)

AlOH3

c)

Al(OH)3

d)

AlO3H3

12.

What type of reaction is

4Ag + O2 ----> 2Ag2O

a)

synthesis

b)

decomposition

c)

single replacement

d)

double replacement

13.

What type of reaction is

NaOH + HCl -----> NaCl + H2O

a)

synthesis

b)

decomposition

c)

single replacement

d)

double replacement

14.

What type of reactions is

2H2O ----> 2H2 + O2

a)

synthesis

b)

decomposition

c)

single replacement

d)

double replacement

15.

What type of reaction is

Mg + H2SO4 -----> MgSO4 + H2

a)

synthesis

b)

decomposition

c)

single replacement

d)

double replacement

16.

What coefficient would you use in front of the Ag to balance the following equation?

Ag + O2 -----> Ag2O

a)

1

b)

2

c)

3

d)

4

17.

What type of bonding involves sharing electrons?

a)

Ionic

b)

covalent

c)

metallic

d)

Polyatomic

18.

Which scientist placed electrons in energy levels around the nucleus?

a)

Thomson

b)

Rutherford

c)

Bohr

d)

Chadwick

19.

Who named the atom?

a)

Democritus

b)

Dalton

c)

Mendeleev

d)

Rutherford

20.

What is the formula for Calcium carbonate? Ca+2 CO 3-2

a)

Ca2CO6

b)

Ca2(CO3)2

c)

CaCO3

d)

Ca2C2O6

21.

What elements tend to gain electrons when bonding?

a)

Metals

b)

nonmetals

c)

metalloids

d)

noble gases

22.
Which part of the atom has a negative charge?
a)
Proton
b)
Neutron
c)
Electron
d)
Quark
23.
The atomic mass is equal to
a)
Protons + Neutrons
b)
Protons + Electrons
c)
Neutrons  + Electrons
d)
Protons - Neutrons
24.
Horizontal rows on the periodic table are called ___________
a)
groups
b)
periods
c)
energy levels
d)
valence
25.
Which of the following is a property of metals?
a)
good conductor of heat
b)
brittle
c)
dull
d)
poor conductor of heat
26.
What is an atom with a charge?
a)
an ion
b)
a molecule
c)
an isotope
d)
a quark
27.
Which scientific principle does a balanced equation show?
a)
Theory of Relativity
b)
Law of Gravity
c)
Theory of evolution
d)
Law of Conservation of Mass
28.
To balance a chemical reaction, you must add a
a)
reactant
b)
product
c)
subscript
d)
coefficient
29.
When two substances combine chemically the properties of the products are ________________ the properties of the reactants.
a)
the same as
b)
different from
c)
a combination of
30.
What do elements in the same group/family have in common?
a)
same number of elements
b)
same number of energy levels
c)
same number of valence electrons
d)
same atomic numbers
31.
Silicon is along the zig zag line therefore it is classified as a
a)
metal
b)
metalloid
c)
nonmetal
d)
isotope
32.
Why don't the noble gases react with other atoms?
a)
They don't want to.
b)
They have too many electrons.
c)
They have full outer shells.
d)
They have too many energy levels.
33.
The columns on the periodic table are called __________.
a)
groups
b)
periods
c)
metalloids
d)
isotopes
34.
Which element will have similar properties to fluorine?
a)
chlorine
b)
neon
c)
oxygen
d)
hydrogen
35.
What do all elements in period have in common?
a)
They have the same number of elements.
b)
They have the same number of energy levels.
c)
They have the same number of valence electrons.
d)
They have the same properties
36.
In the chemical formula H2O, the 2 is known as a
a)
reactant
b)
product
c)
subscript
d)
coefficient