Unit 4A Quiz Practice

Which vocabulary term means: a fundamental property of matter that can be either positive or negative

• atomic number
• charge
• mass number
• strong force

Which vocabulary term means: any particle that is smaller than an atom

• element
• atom
• isotopes
• subatomic particle

Which vocabulary term means: the smallest particle of an element that still retains the properties of a larger sample of the element

• atom
• isotope
• nucleus
• subatomic particle

Tags

NGSS.MS-PS1-1

Which vocabulary term means: the number of protons in atoms of an element

• atomic number
• charge
• energy level
• mass number

Of the particles listed below, the least massive is the:

• electron.
• proton.
• neutron.
• atom.

Compared to protons, the nucleus has:

• much larger mass and the same charge.
• about the same mass and opposite charge.
• about the same mass and no charge.
• much smaller mass and no charge.

Which of the following statements is most accurate?

• All sodium contains the same number of protons.
• All sodium contains the same number of neutrons.
• All sodium contains the same number of electrons.
• All sodium contains the same number of subatomic particles.

What should you look at in the nuclei below to determine if any are the same element?

• the orange particles
• the blue particles
• the total number of particles
• whether the orange and blue particles are equal

Tags

NGSS.MS-PS1-1

Which vocabulary term means: an attractive or repulsive force of nature that exists between electric charges

• electromagnetic force
• energy level
• isotopes
• strong force

Tags

NGSS.MS-PS2-3

Which vocabulary term means: the center of an atom

• nucleus
• neutron
• proton
• valence electron