Acad. Chemical Foundations

In Dalton's Atomic Theory, all elements consist of __________ that cannot be divided.

• Atoms
• Parts
• Molecules
• Hydrogen

Tags

NGSS.MS-PS1-1

Which model is this?

• Thomson Model
• Cloud Model
• Bohr Model
• Rutherford Model

Tags

NGSS.MS-PS1-1

Which model involved gold foil?

• Thomson Model
• Rutherford Model
• Cloud Model
• Bohr Model

While making his model of an atom, what structure did Rutherford discover (containing protons and neutrons)?

• the Nucleus
• the Electron Cloud
• the quarks
• the atomic mass

Tags

NGSS.HS-PS1-8

The nucleus is made up of protons and what other particle?

• Electrons
• Nothing else
• Neutrons
• Atomic Number

Tags

NGSS.MS-PS1-1

Who was the Greek philosopher who called the smallest particle of matter as "atom"?

• Democritus

• Aristotle

• J.J Thompson

• Einstein

What did James Chadwick discover?

• neutrons
• electrons
• the atomic theory
• protons

Tags

NGSS.HS-PS1-8

Which scientist saw the atom as a solid sphere?

• Dalton
• Thomson
• Rutherford
• Bohr

Tags

NGSS.MS-PS1-1

Which of the following is/are conclusions based on Rutherford’s gold foil experiment?

• Atom is mostly empty space

• The nucleus is positively charged

• The atom has a small dense nucleus

• All answers are correct

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.MS-PS1-1