Structure of Atoms

What is the smallest piece of an element that still represents that element?

• Atom

• Mass

• Proton

• Neutron

What is the amount of matter in an object?

• Atom

• Mass

• Proton

• Neutron

Tags

NGSS.MS-PS1-5

Which particles are positively charged and located in the nucleus of an atom?

• Atom

• Mass

• Proton

• Neutron

Which particles are neutral and located in the nucleus of an atom?

• Atom

• Mass

• Proton

• Neutron

Which particles are negatively charged and occupy the space outside the nucleus of an atom?

• Atom

• Mass

• Proton

• Electron

Where are the electrons located in an atom?

• Atom

• Mass

• Proton

• Electron Cloud

What is the positively charged region at the center of an atom called?

• Atom

• Mass

• Proton

• Nucleus

What does the atomic number of an atom represent?

• Atomic Mass

• Number of Electrons

• Number of Protons

• Number of Neutrons

The atomic mass is ______ ?

• Average mass of an atom of an element

• Number of Electrons

• Number of Protons

• Number of Neutrons

What is a pure substance made of one kind of atom called?

• Element

• Compound

• Ion

• Isotope