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Worksheets10 Science Chemistry Resit
Total questions: 26
Worksheet time: 26mins
Name
Class
Date
1.
Subatomic particle with a charge of 0
a)
neutron
b)
proton
c)
electron
d)
quark
2.
Subatomic particle with a charge of -1
a)
proton
b)
electron
c)
neutron
d)
quark
3.
The nucleus of an atom is made of
a)
electrons and protons
b)
electrons and neutrons
c)
protons and neutrons
d)
empty space
4.
The order of elements in the periodic table is based on
a)
the number of protons in the nucleus.
b)
the electric charge of the nucleus.
c)
the number of neutrons in the nucleus.
d)
atomic mass.
5.
In Mendeleev's periodic table, elements in each column had similar
a)
atomic masses.
b)
properties.
c)
atomic numbers.
d)
symbols.
6.
Each column of the periodic table is
a)
an element.
b)
a group.
c)
an isotope.
d)
a period.
7.
Metals tend to be
a)
gases.
b)
dull.
c)
brittle.
d)
good conductors.
8.
Which group is very stable due to the fact that they have a full outermost energy level?
a)
alkali metals
b)
halogens
c)
alkaline-earth metals
d)
noble gases
9.
What is the electron configuration of sodium?
a)
2.8
b)
2.8.2
c)
2.8.1
d)
11
10.
Which element has an electron configuration of 2.5?
a)
Oxygen
b)
Nitrogen
c)
Phosphorus
d)
Carbon
11.
A charged particle that has gained or lost electrons is called a _____.
a)
molecule
b)
ion
c)
isotope
d)
element
12.
Nitrogen will form which of the following ions?
a)
N
b)
N-3
c)
N-5
d)
N+5
13.
Beryllium will ____ valence electrons when forming an ionic bond.
a)
lose 4
b)
gain 4
c)
lose 2
d)
gain 2
14.
Ionic bonds form between metals and ____.
a)
metalloids
b)
metals
c)
nonmetals
15.
Which of the following would produce an anion?
a)
Ca
b)
Al
c)
K
d)
F
16.
In the chemical formula for an ionic compound, which item is written first?
a)
positive ion
b)
negative ion
c)
subscript
d)
the female
17.
How do the following two elements bond together?
Al3+ O2-
Al3+ O2-
a)
AlO
b)
Al2O3
c)
Al3O6
d)
Al3O2
18.
If I gain electrons I become
a)
Positive because I've added to my atom
b)
negative because I've added electrons
c)
same because i'm balanced
d)
equal because now I have electrons
19.
What is the name of K3PO4?
a)
Tripotassium Phosphate
b)
Tripotassium Phosphite
c)
Potassium phosphide
d)
Potassium phosphate
20.
What can be generalized about covalent bonds?
a)
Electrons will be exchanged.
b)
Electrons will be transferred.
c)
Electrons will be given and taken.
d)
Electrons will be shared.
21.
What two types of atoms make a covalent bond?
a)
2 Nonmetals
b)
1 Nonmetal & 1 Metal
c)
2 Metals
d)
2 Noble Gases
22.
How many covalent bonds does carbon need to form in order to have a full octet?
a)
2
b)
3
c)
4
d)
5
23.
What is the basis of a metallic bond?
a)
the attraction of neutral metal atoms.
b)
the attraction between protons and neutrons.
c)
the attraction between positive metal ions and interlocking electrons.
d)
the attraction between positive metal ions and free floating electrons.
24.
What does malleable mean?
a)
able to be shaped
b)
will break easily
c)
can be used for wire
d)
is shiny
25.
Electrons that are free to move in metals
a)
delocalized electrons
b)
oxidation number
c)
chemical bond
d)
salts
26.
Why do metals have high melting points?
a)
They don't
b)
The negatively charged electrons act as a glue to hold the positively charged ions together.
c)
All the electrons become delocalised
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