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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
Helium-3
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 element itself
The charge of the ions of the element
The bonds the element forms
The isotope of the element

Question 4:


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

Question 5:


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

Question 6:


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

Question 7:


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

Question 8:


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

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
All of these
Its electrical charge
Its number of protons

 


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