Chem Sem. 1 Review part 2

Front

What is the nucleus?

Back

The nucleus is the central part of an atom, containing protons and neutrons.

Front

What is freezing?

Back

Freezing is the phase change from a liquid to a solid.

Front

Which element is represented by the symbol 'Ne'?

Back

Neon is the element represented by the symbol 'Ne'.

Front

What does an orbital diagram represent?

Back

An orbital diagram visually represents the arrangement of electrons in an atom's orbitals.

Front

How do you calculate density?

Back

Density is calculated using the formula: Density = Mass/Volume.

Front

What is the mass of an object?

Back

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

Front

What is volume?

Back

Volume is the amount of space an object occupies, typically measured in cubic centimeters (cm³) or liters.

Front

What is the phase change from solid to liquid called?

Back

The phase change from solid to liquid is called melting.

Front

What is the phase change from gas to liquid called?

Back

The phase change from gas to liquid is called condensation.

Front

What are protons?

Back

Protons are positively charged particles found in the nucleus of an atom.