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WorksheetsMrs Disney Y10 - Chemistry atoms
Total questions: 33
Worksheet time: 1hrs 19mins
Name
Class
Date
1.
A particle of matter with a positive charge
a)
proton
b)
neutron
c)
electron
d)
atom
2.
A particle of matter with a charge of 0, no charge
a)
proton
b)
neutron
c)
electron
d)
atom
3.
This is the centre of an atom
a)
nucleus
b)
electron
c)
proton
d)
neutron
4.
the region surrounding an atom's nucleus where electrons are most likely to be found
a)
electron cloud
b)
isotope
c)
nucleus
d)
atomic mass
5.
True or False - Each element is made of atoms that are all alike.
a)
True
b)
False
6.
The particles that are found in the nucleus of an atom are
a)
neutrons and electrons
b)
electrons only
c)
protons and neutrons
d)
protons and electrons
7.
Which of the following is a positively charged subatomic particle found in the nucleus of an atom?
a)
Electron
b)
Proton
c)
Neutron
d)
Quark
8.
Where are electrons of an atom found?
a)
Nucleus
b)
Electron Cloud
c)
Some are in the nucleus and some in the electron cloud.
d)
They are moving everywhere.
9.
electrons have this type of charge?
a)
negative
b)
positive
c)
neutral
10.
"C" is the element symbol for which element?
a)
calcium
b)
carbon
c)
chlorine
d)
cadmium
11.
What is the atomic symbol for sodium?
a)
Na
b)
So
c)
NaCl
d)
S
12.
What are the 3 particles that make-up the atom?
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and electrons
d)
protons, neutrons, and electrons
13.
True or False? Neutrons have a negative charge
a)
True
b)
False
14.
In an atom, what is the number of protons equal to?
a)
the number of electrons
b)
the number of neutrons
c)
the number of molecules
d)
the number of nuclei
15.
How many electrons does a Copper atom have?
a)
63
b)
29
c)
92
d)
34
16.
How many neutrons does the isotope of lithium have?
a)
8
b)
3
c)
4
d)
5
17.
A chart that scientists use to organize the elements.
a)
Periodic Table
b)
Atomic Number
c)
Name
d)
Element
18.
Matter made up of only one kind of atom.
a)
Proton
b)
Name
c)
Atom
d)
Element
19.
Negatively charged particle
a)
proton
b)
neutron
c)
electron
20.
positively charged particle
a)
proton
b)
neutron
c)
electron
21.
Which particle is not found in the nucleus
a)
proton
b)
neutron
c)
electron
22.
The symbol of Nitrogen
a)
O
b)
N
c)
Ni
d)
Ne
23.
The atomic number of oxygen
a)
4
b)
8
c)
6
d)
2
24.
The symbol for iron
a)
I
b)
Ir
c)
Fe
d)
In
25.
Atomic number 17 is which element
a)
fluorine
b)
oxygen
c)
neon
d)
chlorine
26.
The number of protons in a Copper atom
a)
22
b)
28
c)
27
d)
29
27.
the element with atomic number 11 is
a)
sodium
b)
helium
c)
magnesium
d)
nitrogen
28.
How is the number of neutrons calculated from the periodic table?
a)
atomic number
b)
atomic mass
c)
atomic mass - atomic number
d)
chemical symbol
29.
How many electrons can fit in the 2nd energy level?
a)
2
b)
4
c)
8
d)
18
30.
This is the dense, central core (the middle) of an atom.
a)
Proton
b)
Electron
c)
Nucleus
d)
Neutron
31.
Which type of charge does an electron have?
a)
Negative
b)
None
c)
positive
d)
Full
32.
Which of the following is NOT a part of an atom?
a)
Electron
b)
Neutron
c)
Proton
d)
Boretron
33.
What is the identity of this atom?
a)
Sodium
b)
Vanadium
c)
Aluminum
d)
Magnesium
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