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WorksheetsConcept 1 Review
Total questions: 45
Worksheet time: 56mins
Atomic number equals the number of __________ in a neutral atom.
neutrons
neutrons and protons
protons and electrons
electrons and neutrons
In an atom that is not neutral the atomic number only equals the number of ________
protons
neutrons
electrons
not enough information
The atomic weight is the number of _______ and _______ in an atom.
protons and electrond
electrons and protons
neutrons and protons
neutrons and electrons
What are the charges for a proton, neutron, and electron?
neutral, positive, negative
negative, neutral, positive
positive, neutral, negative
positive, negative, neutral
Name this element.
Neon
Magnesium
Sodium
Manganese
What is the maximum number of electrons that can be found in the third energy level ( shell)?
2
8
18
Which electrons have the most energy?
ground state electrons
electrons
valence electrons
neutral electrons
How many protons does Carbon have?
6
12
4
1
How many neutrons does Oxygen have?
16
5
9
8
How many electrons does a neutral atom of Sodium have?
23
11
12
7
Draw the Bohr''s model for a neutral atom of Neon.
How many neutrons does a neutral atom of Aluminum have?
13
27
14
2
How many electrons does a neutral atom of Calcium have?
20
40
40.78
49
What is the mass number for Silicone?
28
27
29
30
The atomic mass on the periodic table is a _____________ of the masses of that element's isotope.
approximation
product
total
weighted average
How do you feel about the material we have covered so far?
I understand the material and I am ready for the next concept.
I understand the material, but I'd like more practice before the quiz.
I'm struggling with the material, but feel with more practice I will be ok.
I'm struggling with the material and think I should ask to be requested for seminar.
Which describes the most current atomic theory?
It is known as the electron cloud model.
Has regions within an atom where the electrons are likely to be found.
It is known as the planetary model (Bohr's model)
It is more of a mathematical model than a physical model.
What should the 1st & 4th box be labeled?
atomic mass and name of element
atomic mass and atomic number
atomic number and atomic mass
chemical symbol and atomic mass
What information does the nuclear or isotopic notation provide about an element?
element symbol, mass #, atomic # & charge
charge only
element symbol and charge
Mass # and atomic #
An Ion that has gained electrons has a
positive charge
neutral charge
negative charge
what's a charge?
An anion
has gained electrons and is positively charged
has lost electrons and is negatively charged
has lost electrons and is positively charged
has gained electrons and is negatively charged
A cation
has gained electrons and is positively charged
has lost electrons and is positively charged
has lost electrons and is negatively charged
has gained electrons and is negatively charged
Which is the hyphen notation for Oxygen with a mass of 16?
oxygen 16
Oxygen16
Oxygen-16
Oxygen16
What is a positive ion called?
anion
cation
isotope
covalent
How many electrons would a Nitrogen ion gain/lose? If it has 5 valence electrons.
lose 5
gain 5
lose 3
gain 3
How many electrons would a Calcium ion gain/lose? If it has 2 valence electrons.
lose 1
gain 1
lose 2
gain 2
If an atom loses electrons, the charge will be positive.
true
false
An atom with 2 protons, 3 neutrons, and 4 electrons has a charge of ____.
+2
-2
+3
0
If an element has 3 valence electrons, what charge will likely form on its ion ?
+3
+5
-3
-5
Elements in group 13 have _______ valence electron.
10
13
3
8
Which of the following element has 8 valence electrons?
Group 1
Group 8
Group 18
Group 12
What group # does Fluorine have?
7
17
8
3
What is the charge of an atom that has gained two electrons?
-2
+2
0
-1
How many protons does a neutral atom of Carbon have?
14
8
12
6
What is the maximum number of electrons that can be found in the second energy level (shell)?
18
2
10
8
What is the atomic mass of Arsenic?
33
107
75
How many neutrons does calcium have?
20
40
60
0
What is the atomic mass of Neon?
10
20
30
How many neutrons does Chlorine have?
18
17
35
52
How many protons and electrons does this element have?
35
18
17
52
What is one way Neutrons are different from electrons?
they both are negative
neutrons have no charge, while electrons have a negative charge
Both are in the nucleus( center of atom)
Electrons are inside nucleus and neutrons are outside the nucleus.
