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WorksheetsAtomic Structure Lesson 3
Total questions: 28
Worksheet time: 14mins
How many electrons does this oxygen atom have?
16
8
24
6
How many protons does this oxygen atom have?
16
8
24
6
What is the atomic number of Oxygen?
16
8
24
6
What is the atomic mass of Oxygen?
16
8
24
6
How many electrons does the first shell hold?
1
2
4
8
How many electrons can be in the 2nd energy level hold?
1
2
4
8
If both protons and neutrons are found in the nucleus, why is it positive?
The reason it is positive is because neutrons have a positive charge and protons have a negative charge.
The reason it is positive is because neutrons have a negative charge and protons have a positive charge
The reason it is positive is because neutrons have no charge and protons have a positive charge.
The reason it is positive is because neutrons have no charge and protons have a negative charge
What on a periodic table tells you the number of protons in an atom?
Atom number
Atomic number
Proton number
Mass number
The electron configuration of Nitrogen is
0, 2, 5
N, 2, 5
7
2, 5
The electron configuration of sulfur is
2, 8, 6
2, 8, 8
3, 8, 6
0, 2, 8
How many protons does Magnesium have?
24
12
2
16
What does this symbol stand for?
(a)
Sodium has a mass number of 23. How many neutrons does it have?
12
34
23
11
The electron configuration of oxygen is 2, 6. What is its atomic number?
2
6
8
4
Aluminium has 13 electrons. How many electron shells would make up the atom?
1
2
3
4
How many electron shells does Carbon have?
6
2
1
4
How many electron shells does Silicon have?
14
2
3
4
How many electron shells does Silver have?
47
6
1
5
The period number tells you how many ____ the element has.
electron shells
valence electrons
protons
electrons
The atomic number identifies the number of __________.
electrons
atoms
protons
neutrons
Subatomic particles that have a negative charge
electrons
protons
quarks
neutrons
The number 16 for the atomic element sulfur is the
ionic number
isotope
atomic mass
atomic number
How many protons does sulfur have?
32
16
48
12
How many electrons does sulfur have
16
32
48
12
Subatomic particle that has a positive charge
electron
poitron
neutron
proton
The center of an atom is called the ________________.
electron cloud
nucleus
neutrion
nuetron
In what part of an atom can the protons and neutrons be found?
nucleus
neutrine
electron cloud
proton cloud
Which parts of the atom move around the nucleus?
electrons
protons
electrode particles
neutrons
