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WorksheetsChemistry
Total questions: 48
Worksheet time: 24mins
Name
Class
Date
1.
What is the 4th planet from the sun?
a)
Earth
b)
Mars
c)
Pluto
d)
Earth
e)
Venus
2.
mainly the _____ occur as separate atoms
a)
noble gases
b)
alkaline metal
c)
halogens
d)
metaloids
e)
alkaline earth metal
3.
the majority of elements occur in nature as a _____ _____ with other elements
a)
diatomic molecule
b)
chemical combination
c)
redox reaction
d)
naturally occuring
e)
organic compound
4.
_ , _, and _ also commonly occur as uncombined molecules
a)
O, N, S
b)
Fe,Na, Br
c)
F, I, Cl
d)
H,He,K
e)
C,S,N
5.
this part of atoms of the elements involved interact to form chemical bonds
a)
protons
b)
neutrons
c)
electrons
d)
protons & electrons
e)
all options are correct
6.
what force holds atoms in an elements together in compound
a)
dispersion
b)
chemial bonds
c)
ionic bonds
d)
covalent bonds
e)
polar bonds
7.
this rule prvides a key to our understanding of the way atoms bond and form compounds
a)
the primary rule
b)
Hund's Rule
c)
weisenberg rule
d)
octet rule
e)
1st & 4th options are correct
8.
metals form ____ by loss of valence electrons
a)
positive ions
b)
negative ions
c)
ions
d)
hydrogen atoms
e)
bonds
9.
nonmetals form ____ by gain of electrons
a)
positive ions
b)
atoms
c)
negative ions
d)
molecules
e)
sharing of electrons
10.
this law states the energy of attraction between two particles is directly proportional to the product of the charges and inversely proportional to the distance between them
a)
law of conservtation
b)
coulombs law
c)
helf's law
d)
boyle's law
e)
avogadro's law
11.
group 1 elements have a ___ charge
a)
2+
b)
1+
c)
1-
d)
4+
e)
0
12.
group 2 elements have a ___ charge
a)
1+
b)
2-
c)
2+
d)
0
e)
3+
13.
group 3 elements have a ___ charge
a)
3+
b)
2+
c)
3-
d)
charge does not exist
e)
1-
14.
group 4 elements have a ___ charge
a)
4-
b)
0
c)
1-
d)
4+
e)
2-
15.
group 5 elements have a ___ charge
a)
3+
b)
3-
c)
0
d)
2+
e)
1-
16.
group 6 elements have a ___ charge
a)
2+
b)
2-
c)
3+
d)
1-
e)
1+
17.
group 7 elements have a ___ charge
a)
0
b)
1+
c)
-1
d)
charhe does not exist
e)
0
18.
group 8 elements have a ___ charge
a)
0
b)
1
c)
2
d)
3
19.
these atoms are chemically bound and behave as an independent unit, not separate atoms
a)
uncharged molecules
b)
covalent molecules
c)
atomic molecules
d)
diatomic molecules
20.
this forms when electrons are shared between atoms of elements
a)
ionic bond
b)
covalent bond
c)
hydrogen bond
d)
van der waals forces
21.
this type of compound forms when atoms of different elements share electrons, usually take place between nonmolecules
a)
diatomic molecules
b)
ionic compounds
c)
covalent compounds
d)
molecular compound
22.
a cation or anion derived from a single atom is called a
a)
monoatomic ion
b)
diatomic atom
c)
polyatomic ion
d)
cation
23.
many ionic compounds contain _____ _____ which consist of two or more atoms bonded covalently
a)
anion
b)
cation
c)
covalent ion
d)
polyatomic ion
24.
element symbols and numerical subscripts show the type and number of each atom present in the smallest unit of substance
a)
structural formula
b)
molecular formula
c)
chemical formula
d)
empirical formula
25.
the simplest type of formula is a
a)
empirical formula
b)
structural formula
c)
chemical formula
d)
molecular formula
26.
the ______ formula shows the actual number of atoms in the compound
a)
empirical formula
b)
molecular formula
c)
structural formula
d)
chemical formula
27.
the ______ formula shows the number of atoms and bonds between them; also the relative placement and connection o atoms in the molecule
a)
molecular formula
b)
structural formula
c)
empirical formula
d)
chemical formula
28.
all ionic compound names give the positive ion (cation) _____ and the negative ion (anion) _____
a)
second, first
b)
first, second
29.
the name of the cation is the same as the name of the ____
a)
non metal
b)
metal
c)
transition metal
d)
gas
30.
the name of the anion takes the same root of the nonmetal name and add the suffix -____
a)
ate
b)
ic
c)
ous
d)
ide
31.
compounds have a net charge of ____
a)
1
b)
0
c)
3
d)
2
32.
the suffix of the ion with the lower charge
a)
ic
b)
ous
c)
ate
d)
ite
33.
the suffix of the ion with the higher charge is -___
a)
ous
b)
ate
c)
ic
d)
ite
34.
______ are those in which an element is bonded to one or more oxygen atoms (usually a nonmetal)
a)
oxoacids
b)
oxoanions
c)
oxygen
d)
oxaloacetate
35.
in oxoanions, the ion with the most O atoms has the prefix -___, and the suffix -___
a)
per, ate
b)
per, ous
c)
per, ite
d)
tri, ate
36.
in oxoanions, the ion with one fewer O atom has the root and suffix -___
a)
ic
b)
ate
c)
ite
d)
ous
37.
in oxoanions, the ion with the least O atoms has the root and suffix ___
a)
hyper, ic
b)
hyper, ous
c)
hypo, ite
d)
hypo, ate
38.
in oxoanions, the ion with two fewer O atoms has the root and suffix -___
a)
ite
b)
ate
c)
ic
d)
ous
39.
ionic compound with a specific number of water molecules associated with each formula are called
a)
salts
b)
hydrates
c)
noble gases
d)
carbons
40.
___ are an important group of hydrogen-containing compouns used in chemical reactions
a)
bases
b)
acids
c)
metals
d)
metalloids
41.
when certain gaseous compounds dissolve in water this type of solution forms
a)
basic solutions
b)
binary acid solutions
c)
ionic metals
d)
alkaline solutions
42.
_____ are similar to oxoanions except -ate will equal -ic and -ite will equal -ous
a)
ionic compounds
b)
binary compounds
c)
oxygen
d)
oxoacids
43.
what are the correct rules for naming binary compounds
a)
1.) elements with lowest group # is named first<br /><br />2.) the element with the higher group # is named second<br /><br />3.) the second element ends with -ide<br /><br />4.) the first word only has a prefix when one atom of the element is present
b)
1.) elements with highest group # is named first<br /><br />2.) the element with the lower group # is named second<br /><br />3.) the second element ends with -ide<br /><br />4.) the first word only has a suffix when one atom of the element is present
44.
organic molecules contain this molecule
a)
nitrogen
b)
flouride
c)
carbon
d)
oxygen
45.
____ are the simplest organic compouns and the simplest alkanes
a)
carbons
b)
hydrocarbons
c)
hydrogens
d)
water
46.
in all alkanes each carbon atoms forms ____ covalent bonds
a)
1
b)
2
c)
3
d)
4
47.
hydrocarbons are binary covalent compoounds that are namedwith a numerical prefix plus a suffix -___
a)
ane
b)
ic
c)
ate
d)
ous
48.
what is the formula used to calculate the number of hydrogens in hydrocarbons
a)
2c*2
b)
2c+2
c)
2c-2
d)
2c/2
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