Review on Atom

What are the parts of an atom?

• Neutral

• Nucleus

• Protons

• Electrons

• Neutrons

Tags

NGSS.MS-PS1-1

What does the atomic number represent?

• Number of neutrons in an element

• Number of particles in an element

• Number of protons in an element

• Place in the periodic table

Who came up with the first atomic theory?

• Dalton

• Democritis

• Bohr

• Chadwick

Who discovered electrons?

• A random scientist

• Rutherford

• Bohr

• J.J Thompson

What charge does a proton have?

• Positive

• Negative

• Neutral (None)

• Electric

What are columns on the periodic table called?

• Groups/ Families

• Periods

• Rows

• Strips

Who discovered protons had a nucleus in the center?

• Benjamin Franklin

• Rutherford

• Democritis

• Albert Einstein

Electrons have what charge?

• Positive

• Neutral

• Negative

• There is not a thing called electrons

Rows on the periodic table are called?

• Periods

• Rows

• Groups

• Lines

What did Bohr do?

• Improved Rutherford's model

• That electrons move in shells

• That there are neutrons in atoms

• Every atom has a certain number of electron shells