23-24 First Semester Review

Front

What is the formula to calculate force?

Back

Force (F) = Mass (m) × Acceleration (a)

Front

If a 5 kg object accelerates at 25 m/s², what is the force applied?

Back

125 N

Front

What is the chemical formula for Trinitrotoluene (TNT)?

Back

C7H5N3O6

Front

How many total atoms are in the chemical formula C7H5N3O6?

Back

21

Front

What does a flat line on a distance-time graph indicate?

Back

The object is at a constant position.

Front

What is the main sequence in a star's life cycle?

Back

The main sequence is the phase where a star fuses hydrogen into helium.

Front

What determines the group of an element in the periodic table?

Back

The number of electrons in the outermost shell.

Front

What is acceleration?

Back

Acceleration is the rate of change of velocity of an object.

Front

What is the unit of force in the International System of Units (SI)?

Back

Newton (N)

Front

What is the significance of the outermost electrons in an atom?

Back

They determine the chemical properties and reactivity of the element.