What does the atomic number of an element represent?

Chem 1, Unit 3 Quiz

Quiz
•
Chemistry
•
University
•
Hard

Clinton Bonelli
FREE Resource
75 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The number of neutrons in the atom
The number of protons in the atom
The total number of protons and neutrons in the atom
The number of electrons in the outer shell
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the atomic theory, why is an atom neutral?
Because it contains an equal number of protons and neutrons
Because neutrons balance the charges
Because it contains an equal number of protons and electrons
Because electrons do not carry charge
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For a neutral atom, the number of protons is equal to the number of:
Neutrons
Electrons
Isotopes
Ion particles
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the atomic number of an element represent?
The number of neutrons in the nucleus
The number of protons in the nucleus
The total number of protons and neutrons
The number of electrons around the nucleus
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the atomic mass of an atom primarily calculated?
By adding the number of electrons and protons
By counting the number of neutrons only
By summing the number of protons and neutrons
By using the atomic number alone
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the atomic mass being different from the atomic number?
It indicates the number of electrons in an atom
It shows the atom is neutral
It reflects the total weight of protons and neutrons, which are the main contributors to the mass of an atom
It determines the chemical properties of the element
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the atomic number of Carbon as shown in the diagram?
12
6
12.01
C
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