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WorksheetsMATTER AND IT'S STRUCTURE
Total questions: 59
Worksheet time: 30mins
Name
Class
Date
1.
Who established the following atomic model?
a)
Dalton
b)
Thomson
c)
Rutherford
d)
Bohr
2.
Who established the following atomic model?
a)
Dalton
b)
Thomson
c)
Rutherford
d)
Bohr
3.
Who established the following atomic model?
a)
Dalton
b)
Thomson
c)
Rutherford
d)
Bohr
4.
Who established the following atomic model?
a)
Dalton
b)
Thomson
c)
Rutherford
d)
Bohr
5.
Who said matter is made up of indivisible particles called atoms?
a)
Dalton
b)
Thomson
c)
Rutherford
d)
Ancient Greeks
6.
Who discovered the electron?
a)
Dalton
b)
Thomson
c)
Rutherford
d)
Bohr
7.
Who developed an atómic model where electrons are encrusted in a positive sphere?
a)
Dalton
b)
Thomson
c)
Rutherford
d)
Bohr
8.
Who said atoms of the same element are the same?
a)
Dalton
b)
Thomson
c)
Rutherford
d)
Bohr
9.
Who said the mass and the + charge are in the nucleus of the atom?
a)
Dalton
b)
Thomson
c)
Rutherford
d)
Bohr
10.
Who said the electrons with negative charge are situated in the electron cloud outside the nucleus of an atom?
a)
Dalton
b)
Thomson
c)
Rutherford
d)
Bohr
11.
Who said in the electron cloud, the electron spin in orbits at high speed?
a)
Dalton
b)
Thomson
c)
Rutherford
d)
Bohr
12.
Who is this scientist?
a)
Dalton
b)
Thomson
c)
Rutherford
d)
Bohr
13.
Who is this scientist?
a)
Dalton
b)
Thomson
c)
Rutherford
d)
Bohr
14.
Who is this scientist?
a)
Dalton
b)
Thomson
c)
Rutherford
d)
Bohr
15.
Who is this scientist?
a)
Dalton
b)
Thomson
c)
Rutherford
d)
Bohr
16.
How are atoms identified?
a)
by their protons
b)
by their electrons
c)
by their neutrons
17.
What name is given to the number of protons in an atom?
a)
mass number
b)
symbol
c)
atomic number
d)
chemical symbol
18.
What is the sum of the protons an neutrons called? (N): A = Z + N
a)
mass number
b)
symbol
c)
atomic number
d)
chemical symbol
19.
Qué representa la letra X?
a)
mass number
b)
atómic number
c)
element
20.
Qué representa la letra A?
a)
mass number
b)
atómic number
c)
element
21.
Qué representa la letra Z?
a)
mass number
b)
atómic number
c)
element
22.
What subatómic particle has a negative electrical charge?
a)
neutrons
b)
protons
c)
electrons
23.
What subatómic particle has no electrical charge?
a)
neutrons
b)
protons
c)
electrons
24.
The iron atom (Fe) has an atomic number of 26. How many electrons are in its electron cloud?
a)
26
b)
13
c)
52
25.
The iron atom (Fe) has an atomic number of 26. How many protons does it have?
a)
26
b)
13
c)
52
26.
Taking the element
How many protons does it have?
How many protons does it have?
a)
16
b)
8
c)
32
27.
Taking the element
What is its mass number?
What is its mass number?
a)
16
b)
8
c)
32
28.
Taking the element:
What is its atomic number?
What is its atomic number?
a)
16
b)
8
c)
32
29.
Taking the element:
How many neutrons does it have?
How many neutrons does it have?
a)
16
b)
8
c)
32
30.
What are the numbered verticle columns called in the table?
a)
periodic
b)
period
c)
group
d)
element
31.
What are the horizontal rows called in the table?
a)
periodic
b)
period
c)
group
d)
element
32.
What is this table of elements called?
a)
periodic
b)
period
c)
group
d)
element
33.
What do all the symbols represent?
a)
periodic
b)
period
c)
group
d)
elements
34.
What are the yellow coloured elements?
a)
noble gases
b)
semimetals
c)
non-metals
d)
metals
35.
What are the red coloured elements?
a)
noble gases
b)
semimetals
c)
non-metals
d)
metals
36.
What are the green coloured elements?
a)
noble gases
b)
semimetals
c)
non-metals
d)
metals
37.
What are the blue coloured elements?
a)
noble gases
b)
semimetals
c)
non-metals
d)
metals
38.
What is the name of the element that has the atomic number of 1?
a)
hydrogen
b)
Lithium
c)
Boron
d)
Carbon
39.
What is the name of the element that has the atomic number of 9?
a)
hydrogen
b)
Lithium
c)
Fluorine
d)
Carbon
40.
What is the name of the element that has the atomic number of 6?
a)
hydrogen
b)
Lithium
c)
Boron
d)
Carbon
41.
What is the name of the element that has the atomic number of 3?
a)
hydrogen
b)
Lithium
c)
Boron
d)
Carbon
42.
What is the name of the element that has the atomic number of 5?
a)
hydrogen
b)
Lithium
c)
Boron
d)
Carbon
43.
What is the name of the element that has the atomic number of 2?
a)
Helium
b)
Oxygen
c)
Nitrogen
d)
Boron
44.
What is the name of the element that has the atomic number of 7?
a)
Helium
b)
Oxygen
c)
Nitrogen
d)
Boron
45.
What molecule is this?
a)
oxygen
b)
water
c)
carbon dioxide
d)
nitrogen
46.
What molecule is this?
a)
oxygen
b)
water
c)
carbon dioxide
d)
nitrogen
47.
What molecule is this?
a)
oxygen
b)
water
c)
carbon dioxide
d)
nitrogen
48.
What molecule is this?
a)
oxygen
b)
water
c)
carbon dioxide
d)
nitrogen
49.
What molecule is this?
a)
oxygen
b)
ozone
c)
carbon dioxide
d)
nitrogen
50.
What are aggregates formed of a small , fixed number of atoms called?
a)
molecules
b)
crystals
51.
What are aggregates formed of a large, variable number of atoms which are ordered in space?
a)
molecules
b)
crystals
52.
Noble gases do not combine with other chemical elements.
a)
TRUE
b)
FALSE
53.
Noble gases have a high reactivity?
a)
TRUE
b)
FALSE
54.
Hydrogen is a noble gas.
a)
TRUE
b)
FALSE
55.
How many elements are in the periodic table?
a)
180 elements
b)
118 elements
c)
128 elements
d)
138 elements
56.
Número de familias que posee la tabla periodica
a)
18
b)
7
c)
3
d)
Ninguna de las anteriores
57.
El símbolo químico del elemento sodio es
a)
Na
b)
So
c)
NA
d)
SO
58.
el símbolo químico del carbono es
a)
Ca
b)
CA
c)
C
d)
ca
59.
El simbolo Ni pertenece a el:
a)
Niobio
b)
Niquel
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