Chemistry Final Exam Sem. 1 P(2) Dec. 2024

Front

What is the relative molecular mass of fluorine gas, F₂?

Back

38

Front

Are molecules made of one type of atom or many types of atoms?

Back

One type of atom

Front

How many atoms are in the formula 2Al₂O₃?

Back

10

Front

What is an element made of?

Back

One type of atom

Front

Which ion is formed by the Fluorine atom?

Back

F⁻

Front

What is the definition of a compound?

Back

A substance formed when two or more different elements chemically bond together.

Front

What is the atomic mass of Fluorine?

Back

19

Front

What is the formula for calculating the number of atoms in a compound?

Back

Count the subscripts in the chemical formula.

Front

What is the difference between an atom and a molecule?

Back

An atom is the smallest unit of an element, while a molecule is a group of two or more atoms bonded together.

Front

What does the term 'ion' refer to?

Back

An atom or molecule that has a net electric charge due to the loss or gain of one or more electrons.