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Structure of Atom
By Susan Thomas
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Last updated over 1 year ago
13 questions
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Instructions
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Question 1
1.
What does each element's atomic number in the Periodic Table represent?
The mass of the atom
Number of protons in the nucleus
Number of electrons in the outer shell
Number of neutrons in the nucleus
Question 2
2.
What periodic table group contains the most reactive metals?
Transition metals
Group 18 (Noble gases)
Group 7 (Halogens)
Group 1 (Alkali metals)
Question 3
3.
Which element from the Periodic Table is a noble gas and located in period 2?
Helium (He)
Argon (Ar)
Hydrogen (H)
Neon (Ne)
Question 4
4.
What trend occurs as you move from left to right across a period on the Periodic Table?
Atomic size increases
Atomic size decreases
Reactivity increases
The number of electron shells increases
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Question 5
5.
Which subatomic particle does not contribute to the mass of an atom?
Electron
Neutron
Proton
Both neutron and proton
Question 6
6.
How many protons does an element with atomic number 6 have?
6
3
4
12
Question 7
7.
What does an atom's atomic number represent?
Number of electrons
Number of neutrons
Number of protons
Total number of particles
Question 8
8.
What is located in the nucleus of an atom?
Only protons
Neutrons and electrons
Electrons and protons
Protons and neutrons
Question 9
9.
What subatomic particle has a negative charge?
Neutron
Proton
Quark
Electron
Question 10
10.
What is the center of an atom called?
Neutron
Proton
Electron shell
Nucleus
Question 11
11.
What is the charge of a proton?
Negative
Positive
Both positive and negative
Neutral
Question 12
12.
Which subatomic particles are found in the nucleus of an atom?
Only Protons
Neutrons and Electrons
Protons and Electrons
Protons and Neutrons
Question 13
13.
What is the primary role of electrons in an atom?
Produce energy
They determine the atom's chemical properties
Stabilize the nucleus
Create atomic mass
