Atomic Zoom In

Which substance is similar to ethyl butyrate at the atomic scale?

• Methyl butyrate

• Ethyl acetate

• Propyl butyrate

• Butyl acetate

What are diamonds made of?

Tags

NGSS.MS-PS1-1

What makes substances look, smell, and feel the way they do (properties)?

• Similarities at the atomic scale

• Differences at the atomic scale

• Having repeating groups of atoms

• Not having repeating groups of atoms

Tags

NGSS.MS-PS1-1

Who was the first scientist to propose the idea that all matter is made of atoms?

• Albert Einstein

• John Dalton

• Isaac Newton

• Marie Curie

Which term is defined as, "the tiny pieces that all matter—all the stuff in the world—is made of"?

• atoms

• molecules

• chemical formula

• scale

Tags

NGSS.MS-PS1-1

What is the smallest unit of an element that retains the properties of that element?

• Atom

• Molecule

• Proton

• Electron

Tags

NGSS.HS-PS1-7

Which subatomic particle is found in the nucleus of an atom and has a positive charge?

• Electron

• Neutron

• Proton

• Photon

Tags

NGSS.HS-PS1-8

What is the term for the number of protons in the nucleus of an atom, which determines the element's identity?

• Atomic mass

• Atomic number

• Isotope

• Valence

Which model of the atom describes electrons orbiting the nucleus in fixed paths?

• Bohr model

• Quantum mechanical model

• Plum pudding model

• Rutherford model

What is the primary force that holds the nucleus of an atom together?

• Gravitational force

• Electromagnetic force

• Strong nuclear force

• Weak nuclear force