Log in
Sign up for FREE
arrow_back
Library
Elements, Molecules, Compounds
By Kayla Pianka
star
star
star
star
star
Share
share
Last updated over 5 years ago
7 questions
Add this activity
1
1
1
1
1
1
1
**Fill out
"Attendance Form"
on
Google Classroom
during your regular class time**
TEK: 8.5D recognize that chemical formulas are used to identify
substances and determine the number of atoms of each element in chemical formulas containing subscripts;
Objectives:
We will differentiate between molecules, compounds and mixtures.
I will mark up the text while reading and answering text dependent questions.
Question 1
1.
Oxygen and nitrogen are examples of ______________.
compound
elements
atoms
cells
Question 2
2.
An element is any substance that cannot be broken down into simpler substances. The smallest unit of an element is called an _________.
gene
cell
compound
atom
Question 3
3.
An element is made up of only _________ kind of atom.
1
2
5
8
Question 4
4.
Carbon dioxide is a _________ made up of the elements carbon and oxygen.
molecule
allele
lipid
compound
Question 5
5.
When two or more elements combine chemically, they form a(n) _________.
chromosome
compound
cell
atom
Question 6
6.
Most elements in living things occur in the form of compounds. The smallest unit of many compounds is called a(n) _________.
hybrid
carboyhydrate
molecule
atom
Question 7
7.
Water is another compound. Each water molecule is made up of _________ hydrogen atoms and one oxygen atom.
1
2
4
12