Atomic Models

How did Rutherford come up with his atomic theory?

• Testing gamma rays against dogs

• Testing alpha rays of radiation against gold foil

• Testing zinc against silver

• Testing zinc against gold

Which of the following statements about Bohr's model of the atom is NOT true?

• The exact orbital path of an electron is not known.

• Electrons are found in fixed circular orbits.

• The model can be compared to planets revolving around the sun.

• Electrons orbit the nucleus.

Whose model of an atom would be described as a solid sphere?

• Thomson

• Rutherford

• Dalton

• Bohr

Which scientist was the first to provide evidence that atoms contained subatomic particles?

• Schrodinger

• Dalton

• Thomson

• Rutherford

Which of the following statements about the modern quantum model of the atom is TRUE?

• Electron clouds are formed by electron movement.

• Only protons form the nucleus.

• Protons and electrons form the nucleus.

• Neutrons in the nucleus have a positive charge.

Tags

NGSS.HS-PS1-8

The _____ _____ experiment proved the existence of the nucleus.

• Gold Foil

• Quantum Theory

• Electron Cloud

• Proton Reflex

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-8

Who was the first person to "think" of an atom?

• Democritus

• J.J. Thompson

• Rutherford

• Bohr

Ernest Rutherford discovered that the atom was mostly _________________ and has a _______________ charged nucleus.

• empty space, positively

• empty space, negatively

• full of protons, positively

• full of neutrons, negatively

....................... is the area around the nucleus of an atom, where electrons are most likely to be found

• nucleus

• electron cloud

• atmosphere

Tags

NGSS.MS-PS1-1

Which of the following diagram represents Dalton's Model of Atom?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1