Molecules study Guide Questions

Question 1

What is an element?

Answer 1

An element is a pure substance that cannot be broken down into simpler substances by chemical means

Question 2

What is an atom?

Answer 2

An atom is the smallest unit of matter

Question 3

What is a molecule?

Answer 3

A molecules a group of two more atoms that are held together by chemical bonds and if you put two atoms together, it’s a molecule

Question 4

When making multiple models, what do the beads represent, the sticks?

Answer 4

When you make molecule models, the beat represent atoms in the sticks represent bonds

Question 5

Can you have two different crystals that are made of the same atom? give an example? how is it the same and how is it different?

Answer 5

Yes, you can, diamonds and graphite are forms of carbon, but there are different in their crystal structures

Question 6

C3 H4 has how many elements? Atoms?

Answer 6

C3 H4 contains is
two elements carbon and hydrogen in a total of seven atoms

Question 7

Two differences between crystals and polymers

Answer 7

The first difference is crystals have a certain order arrangement that polymers have different structures the second reason is crystals, have sharp melting points, and polymers have a range of melting points. And two bonus differences are crystals are 3-D and polymers are chains

Question 8

Glucose and fructose both have an atomic composition of C6H1206 but they are different molecules. What is most likely the major difference between them?

Answer 8

Most likely the major difference between them is the chemical structure