Quiz - 3.1 Atom

Which unit is closest in size to the radius of an atom?

• 1 picometer

• 1 millimeter

• 1 micrometer

• 1 nanometer

What are the pure substances that make up all kinds of matter and are made up of atoms?

• compounds

• elements

• electrons

• protons

Tags

NGSS.MS-PS1-1

Which particles make up an atom?

• electrons, protons

• electrons, neutrons

• protons, neutrons

• electrons, protons, neutrons

Tags

NGSS.MS-PS1-1

What are subatomic particles with a positive charge called?

• Protons

• Neutrons

• Electrons

All atoms of the same element have the same number of protons.

• True

• False

Trillions of atoms would fit inside the period at the end of this sentence.

• True

• False

Which particles constantly move around the center of an atom?

• electrons

• protons

• neutrons

• nucleus

What are the subatomic particles that do not possess any charge called?

• electrons

• protons

• neutrons

• nucleus

Which statement is true about all the atoms of a given element?

• They have the same number of neutrons.

• They can have a different number of protons.

• They are the same size as the atoms of all other elements.

• They all have the same number of protons.

The smallest particle of an element that has the element’s properties is the _______

• atom

• molecule

• ion

• nucleus