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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?
Oxygen-1
Helium-3
There is no such element.
Hydrogen-1

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.
True
False

Question 3:


What does the number of neutrons in the nucleus of an atom determine?
The bonds the element forms
The charge of the ions of the element
The isotope of the element
The element itself

Question 4:


Which of the following determines to which chemical element a certain atom belongs?
None of these
The number of electrons
The number of protons
The number of neutrons

Question 5:


The word atom comes from the Greek "atomos" which means what?
Miniature
Uncuttable
Fast
Invisible

Question 6:


What part of the atom's mass is concentrated in its nucleus?
70 %
99.9 %
0,01 %
90 %

Question 7:


What is the name of the device used to measure the mass of atoms?
Submolecular weighter
Atomometer
Mass spectrometer
Mass detector

Question 8:


Which of these does a positive hydrogen ion lack?
Protons
Electrons
Neutrons
Electrons and neutrons

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 protons
Its electrical charge
All of these
Its number of isotopes

 


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