Semester 1 Final exam review 2024 part 2

Front

What is the formula for calculating density?

Back

Density = Mass / Volume

Front

What is the density of an object with a mass of 14g and a volume of 2cm³?

Back

7 g/cm³

Front

Which is larger: P or P⁻³?

Back

P⁻³ is larger.

Front

What particle determines the charge of an atom?

Back

Electron.

Front

What is the electron configuration for Potassium?

Back

1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹

Front

Which element is found in group 2, period 6?

Back

Barium (Ba).

Front

Define mass in the context of physics.

Back

Mass is a measure of the amount of matter in an object, typically measured in grams or kilograms.

Front

What is the relationship between mass, volume, and density?

Back

Density is the ratio of mass to volume.

Front

What is the significance of the electron in an atom?

Back

Electrons determine the chemical properties and reactivity of an atom.

Front

How does the size of an ion compare to its neutral atom?

Back

An anion (negative ion) is larger than its neutral atom, while a cation (positive ion) is smaller.