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The Atom
written by:
eyez2k1ss
Find out some interesting facts about the properties and structure of the building blocks of matter - atoms.
Question 1:
Which is the only stable chemical element whose atom can contain no neutrons at all in its nucleus?
There is no such element.
Oxygen-1
Hydrogen-1
Helium-3
Question 2:
If an atom loses an electron its electromagnetic balance is disturbed and the atom decays releasing ionizing particles and a large amount of energy.
False
True
Question 3:
What does the number of neutrons in the nucleus of an atom determine?
The element itself
The bonds the element forms
The charge of the ions of the element
The isotope of the element
Question 4:
Which of the following determines to which chemical element a certain atom belongs?
The number of neutrons
The number of electrons
None of these
The number of protons
Question 5:
The word atom comes from the Greek "atomos" which means what?
Fast
Uncuttable
Miniature
Invisible
Question 6:
What part of the atom's mass is concentrated in its nucleus?
99.9 %
70 %
0,01 %
90 %
Question 7:
What is the name of the device used to measure the mass of atoms?
Submolecular weighter
Atomometer
Mass detector
Mass spectrometer
Question 8:
Which of these does a positive hydrogen ion lack?
Electrons and neutrons
Neutrons
Protons
Electrons
Question 9:
Although it was thought to be the smallest component of matter, physicists discovered that the atom consists of electrons, protons and neutrons. But even some of these subatomic particles can be broken down further.
False
True
Question 10:
What does the atomic number of the atom define?
Its number of isotopes
Its electrical charge
All of these
Its number of protons
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