Unit 6 Open Note Flashcard

Front

How many Potassium (K) atoms are in 8 K₂Cl₃?

Back

16

Front

How many Nitrogen atoms are in H₂C₃O₄N₅?

Back

5

Front

How many Elements are present in the compound Mg₂As₃COHNi₂?

Back

6

Front

How many Oxygen (O) atoms are in 5 O₂?

Back

10

Front

How many atoms of lead (Pb) are in Pb(NO₃)₂?

Back

1

Front

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

Back

Count the subscripts for each element and multiply by the coefficient.

Front

Define a chemical formula.

Back

A representation of a substance using symbols for its constituent elements and numbers to indicate the ratio of atoms.

Front

What does a subscript in a chemical formula indicate?

Back

The number of atoms of the element in one molecule of the compound.

Front

What is the significance of coefficients in a chemical formula?

Back

They indicate the number of molecules or moles of the compound.

Front

How do you determine the total number of atoms in a compound?

Back

Add the number of atoms of each element, considering their subscripts.