Molar Mass and Atomic Concepts

Front

Covalent bond forms between

Back

nonmetals and nonmetals

Front

What does Molar Mass Measure?

Back

the mass (in grams) of one mole (6.02 x 10²³ particles) of a substance

Front

The outermost electrons in a given atom are called what?

Back

valence electrons

Front

An atom has the electron configuration of 1s22s22p5. How many electrons are in that atom?

Back

Nine

Front

What is the maximum number of electrons that can occupy the outermost shell of an atom?

Back

8 electrons (octet rule)

Front

What is the formula to calculate Molar Mass?

Back

Sum of the atomic masses of all atoms in a molecule.

Front

What is the significance of Valence Electrons?

Back

They determine the chemical properties and reactivity of an element.

Front

What is the electron configuration for Carbon?

Back

1s² 2s² 2p²

Front

Define Atomic Number.

Back

The number of protons in the nucleus of an atom.

Front

What is the relationship between Molar Mass and the number of particles?

Back

1 mole of a substance contains 6.02 x 10²³ particles.