Comprehensive Phy. Science Review

Front

What is the pH of an acidic solution?

Back

A solution with a pH less than 7 is considered acidic.

Front

What happens to sodium when it forms a Na+ ion?

Back

Sodium loses an electron to form a Na+ ion.

Front

How do you calculate work done?

Back

Work = Force x Distance.

Front

What type of elements usually form positive ions?

Back

Metals usually form positive ions.

Front

What does a S-2 ion indicate about sulfur?

Back

Sulfur gains 2 electrons to form a S-2 ion.

Front

What is the pH of a neutral solution?

Back

A neutral solution has a pH of 7.

Front

What is the charge of a sodium ion (Na+)?

Back

The charge of a sodium ion (Na+) is +1.

Front

What is the charge of a sulfur ion (S-2)?

Back

The charge of a sulfur ion (S-2) is -2.

Front

If you apply a force of 10 N and move an object 5 m, how much work is done?

Back

Work = 10 N x 5 m = 50 J.

Front

What is the relationship between force, mass, and acceleration?

Back

Force = Mass x Acceleration (F = ma).