Chemistry PRAXIS Study - PART A

Front

What is a compound?

Back

A molecule made of 2 or more elements.

Front

What is the number to add to Celsius to get Kelvin?

Back

273

Front

What is the abbreviation for the MAGNETIC Quantum Number?

Back

M_l

Front

What is the abbreviation for the SPIN Quantum Number?

Back

M_s

Front

Define an element in chemistry.

Back

A substance that cannot be broken down into simpler substances by chemical means.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the difference between an ionic bond and a covalent bond?

Back

An ionic bond is formed by the transfer of electrons, while a covalent bond is formed by the sharing of electrons.

Front

What is the pH scale?

Back

A scale used to measure the acidity or basicity of a solution, ranging from 0 (acidic) to 14 (basic), with 7 being neutral.

Front

What is Avogadro's number?

Back

6.022 x 10^23, the number of atoms or molecules in one mole of a substance.

Front

What is a mole in chemistry?

Back

A unit that measures the amount of substance, defined as containing exactly 6.022 x 10^23 particles.