UNIT 1-2 TEST REVIEW

Front

What is a compound?

Back

A compound is formed when two or more elements join together.

Front

How many total atoms are in Na(HO2)3?

Back

10

Front

How many total atoms are in H(C2O3)2?

Back

11

Front

When comparing C2H8Na3 and Co(CON)5, which has more atoms and more elements?

Back

Co(CON)5 has more atoms and more elements than C2H8Na3.

Front

How many oxygen atoms are in 5C3O2?

Back

10

Front

What is the chemical formula for water?

Back

H2O

Front

What is the atomic number of carbon?

Back

6

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.

Front

What does the subscript in a chemical formula indicate?

Back

The subscript indicates the number of atoms of the element in the molecule.

Front

What is the total number of atoms in the formula C6H12O6?

Back

24