Elements Compounds; Matter and Energy
When plants and animals interact with the atmosphere, they are exchanging which elements abundant in both the atmosphere and living things? A. Nitrogen and Oxygen B. Hydrogen and Calcium C. Phosphorus and Carbon D. Hydrogen and Oxygen
nitrogen and oxygen
This picture represents part of the Periodic Table. "Na" is called the element's- A. formula B. name C. symbol D. compound
symbol
All of the following elements are major components of living things on Earth EXCEPT - A. Nitrogen B. Carbon C. Sulfur D. Oxygen
Sulfur
Which of the following is the best description of an element? A. a substance that cannot be broken down into simpler substances B. a naturally occurring mineral made of more than one substance C. a small particle made with a specific chemical composition D. a collection of atoms that have different abilities when joined together
a substance that cannot be broken down into simpler substances
While elements and compounds are related, they are different. Unlike elements, compounds - A. consist of only one type of atom B. are the smallest form of a particle C. exist only as pure substance D. are made of at least two types of matter
are made of at least two types of matter
Compounds are different than elements because compounds are - A. combinations of two or more elements B. not able to be broken down into parts C. made from the same type of atoms D. a pure substance; elements are not
combinations of two or more elements
The atmosphere of Earth is comprised mostly of oxygen and - A. carbon B. hydrogen C. silicon D. nitrogen
Nitrogen
Which element is one of the most abundant in both solid parts of Earth and in living matter? A. Carbon B. Oxygen C. Nitrogen D. Phosphorus
Oxygen
How many total atoms are in this chemical formula? A. 10 B. 11 C. 12 D. 13
12
How many elements are in the compound Fe2O3?
2
Look at the given compound. Be3Al2SiO36 How many different elements are in the compound?
29
Provided is a list of five different substances How many of these substances are elements? A. 2 B. 3 C. 4 D. 5
3
How many atoms of Hydrogen are there in this chemical formula? NaC2H3O2 A. 8 B. 2 C. 3 D. 7
3 atoms
How many total atoms are in this chemical formula? A. 0 B. 1 C. 2 D. 3
3 atoms total
Which of the following elements is one of the major components of living organisms? A. Sulfur B. Carbon C. Copper D. Silicon
Carbon
This table has two columns of different kinds of matter. Which of the following is the best label for the second column? A. Atoms B. Pure Substances C. Compounds D. Mixtures
Compounds
Which of the following is a compound? A. Water B. Oxygen C. Chlorine D. Aluminum
Water