Thompson

Which Scientist said, Uniform spheres of positive charges surrounded by electrons.

• Democritus

• Aristotle

• John Dalton

• JJ. Thompson

J.J. Thomson provided evidence that an atom...

• is the smallest particle of matter

• contains negatively and positively charged particles

• has an overall negative charge

• has an overall positive charge

Tags

NGSS.HS-PS1-3

J.J. Thomson provided evidence that an atom...

• is the smallest particle of matter

• contains negatively charged particles

• has an overall negative charge

• has an overall positive charge

Which is the correct sequence of the scientists who made major changes in the model of the atom?

• 2, 1, 4, 3, 5

• 3, 1, 5, 4, 2

• 5, 3, 2, 1, 4

• 4, 3, 2, 1, 5

Who discovered the electron?

• dalton

• rutherford

• thompson

• milikan

Which subatomic particles are much smaller than the others and have a negative charge?

• proton

• electron

• neutron

Thompson's experiments provided evidence that

• atoms contain a positively charged nucleus

• atoms are made of smaller "sub-atomic" particles

• atoms are solid spheres with different masses

• Atoms are particles that cannot be divided

The scientist first responsible for showing that atoms consisted of positively and negatively charged particles

• Aristotle

• Dalton

• Thompson

• Rutherford

Plum pudding model (or chocolate chip ice cream)

• Thomson

• Rutherford

• Aristotle

• Dalton

This picture best represents ___________________ atomic model.

• Thomson's

• Dalton's

• Bohr's

• Chadwick's

Tags

NGSS.MS-PS1-1