Physical Science Practice Exam

Select the correct symbol for the element named aluminum

• Al

• Am

• Ag

• Au

Select the correct symbol for the element named silver

• Ag

• Tc

• S

• Si

What is the symbol of the element in Period 4 and Group 2A(2)?

• Si

• Be

• Mg

• Ca

In an atom, the nucleus contains ________.

• only protons

• only neutrons

• all the protons and neutrons

• all the protons and electrons

What is the study of matter and how it changes?

• Biology

• Physics

• Chemistry

• Geology

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

The following statement describes which subatomic particle best? "It is electrically charged."

• proton

• electron

• both electrons and protons

• neither

The following statement describes which subatomic particle best? "No electrical charge."

• proton

• electron

• neutron

• both proton and electrons

Smallest particle of an element retaining the characteristics of the element is a(n) ________.

• neutron

• an electron

• a proton

• atom

What is the valence shell?

• It is the outermost shell of electrons in an atom.

• It is the last partially filled orbital in an atom.

• It is the shell of electrons in element V (atomic no. = 23).

• It is the same as the orbital configuration.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The primary substances of which all other substances are composed are ________.

• compounds

• elements

• molecules

• electrons

Tags

NGSS.MS-PS1-1