Which of the following would be considered a basic form of matter? (select all that apply)

• Gas

• Liquid

• Mass

• Solid

The quantity of matter that makes up any physical object is called the:

• nucleus

• atomic number

• mass

• energy

Which of the following is located in an orbit around the nucleus of an atom?

• Photon

• Electron

• Neutron

• Positron

Which of the following has a negative(-) electrical charge?

• Neutron

• Proton

• Electron

• Positron

Which of the following are considered fundamental particles of atoms? (click all that apply)

• Electron

• Neutrons

• Photons

• Proton

When a neutral atom gains or loses an electron, the atom is said to be:

• Radioactive

• Unstable

• Ionized

• Neutral

Mechanical energy can be classified as either kinetic energy or:

• Magnetic energy

• Electromagnetic energy

• Chemical energy

• Potential energy

X-rays consist of:

• Electromagnetic energy

• Potential energy

• Chemical energy

• Thermal energy

X-rays with greater energy have a shorter ____________ and are more penetrating.

• wavelength

• frequency

• velocity

• amplitude

• potential difference

Of the following types of electromagnetic energy, which has the shortest wavelength?

• Radio waves

• Diagnostic rays

• Microwaves

• Ultraviolet light