Final Exam Practice Physical Science SP25

Where are the Alkali Metals in the diagram below?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-1

What is happening to electrons in a Covalent bond?

• Electrons are shared between two nonmetals

• Electrons are shared between two metals

• Electrons are transferred from metals to nonmetals

• Electrons are transferred between two nonmetals

Tags

NGSS.HS-PS1-1

The element Ar and Ne are nonreactive because

• They tend to give up their valence electrons

• They are very abundant on earth

• They are not stable elements

• Their outermost electron level is full

What kind of reaction is this?

• Synthesis

• Decomposition

• Single Replacement

• Double Replacement

Tags

NGSS.MS-PS1-2

True or False: Matter cannot be created or destroyed, only rearranged.

• True

• False

Tags

NGSS.MS-PS1-5

What would this equation look like if it were balanced? Mg + O₂ → MgO

• Mg + 2 O₂ → MgO

• 2 Mg + O₂ → 2 MgO

• 2 Mg + 2 O₂ → MgO

• Mg + 2 O₂ → 2 MgO

Tags

NGSS.MS-PS1-5

What color do acids turn litmus paper?

• Red

• Blue

• Yellow

• Purple

A chemical with a pH of 3 splashes into someone's eyes and causes serious consequences. What classification is this chemical?

• Solutions

• Acid

• Base

• Problems

Which compounds show a decrease in solubility from 0°C-100°C?

• Ce₂(SO₄)₃

• NaCl

• KCl

• KNO₃

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following choices summarizes Newton's Laws of Motion in order? (1st law->2nd law->3rd law)

• 1st: inertia, 2nd: action/reaction, 3rd: Momentum

• 1st: force= mass x acceleration, 2nd: Inertia, 3rd: action/reaction

• 1st: inertia, 2nd: action/reaction, 3rd: force= mass x acceleration

• 1st: inertia, 2nd: force= mass x acceleration, 3rd: action/reaction

Tags

NGSS.HS-PS2-1