Counting Atoms

Front

What is the chemical formula for 1 atom of Nickel and 2 atoms of Fluorine?

Back

NiF₂

Front

How many atoms of Oxygen are in the formula MgSO₄?

Back

4

Front

How many atoms of Magnesium are in the formula MgSO₄?

Back

1

Front

How many more atoms of Oxygen than Magnesium are in the formula MgSO₄?

Back

3

Front

How many atoms of Carbon are in the formula C₆H₁₂O₆?

Back

6

Front

Which of the following does not belong in the group: Sodium, Glucose, Carbon, Element?

Back

Glucose

Front

Which element is least likely to form a compound: Hydrogen, Sodium, Argon, Potassium?

Back

Argon

Front

What is the definition of a chemical formula?

Back

A representation of a substance using symbols for its constituent elements and numbers to indicate the quantity of each element.

Front

What does the subscript in a chemical formula indicate?

Back

The number of atoms of the element present in the molecule.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.