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What force is responsible for nucleus holding together?

What first person discovered the atomic theory?

Atomic theory

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Answers

1
What first person discovered the atomic theory?
Aristotle
Democritus
thomson
Rutherford
2
What force is responsible for nucleus holding together?
strong nuclear force
Positive charge
Electric charge
Negative charge
3
What atoms are made of?
protons neutrons or electrons
The basic unit of a physical element
Chemical element
physical element
4
Where was denitri Mendeleev born ?
Turkey
Tobolsk,Russia
Black Sea Region
Balearic Islands
5
What is an element that has a different number of neutrons called ?
neutron
elsctron
protons
Isotopes
6
How would you describe the electron?
Positively charged
Atom
Negative charged
Neutrally charged
7
Whats the first element on the on the period table made of?
Iron
H2O
Oxygen of an atom
Oxygen
8
What particles are found in the nucleus of an atom ?
Atoms and neutrons
Electrons and protons
Neutrons and electrons
Protons and neutrons
9
what is the atomic theory about?
Theory that is made up of rice
Theory that made up of chicken
Theory that all matter is made up of particles
a theory that is made up of chemicals
10
Who discovered the electron?
Dalton
J.J Thompson
democritus
Milikan