Physical Science Exam Review #1

Which is not one of the three subatomic particles?

• Proton

• Neutron

• Electron

• atomic mass

What are electrons in the outermost shell called?

• valence electrons

• kinetic electrons

• nuclear electrons

• noble gas

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What overall charge do atoms usually have?

• positive

• negative

• neutral

An element in group 16 would most likely have a charge of _____.

• +6

• +2

• -2

• -6

Tags

NGSS.HS-PS1-1

Non-metals form _______ ions by ________ electrons.

• positive, losing

• positive, gaining

• negative, losing

• negative, gaining

Alkaline earth metals would most likely _________________.

• Lose 1 electron

• Lose 2 electrons

• Gain 1 electron

• Gain 2 electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What type of reaction is shown below:

2H₂O₂ --> 2H₂O + O₂

• Synthesis

• Decomposition

• Single Replacement

• Double Replacement

What type of reaction is shown below

2HCl + Zn --> ZnCl₂ + H₂

• Synthesis

• Decomposition

• Single Replacement

• Double Replacement

Which elements have the most similar properties?

• K, Ca, Sc

• C, N, O

• F, S, Kr

• Mg, Ca, Sr

The noble gases are unreactive because they have___________________.

• more protons than other groups

• higher masses than other groups

• a full outer shell of electrons

• 1 valence electron