Sci 10 Unit 2 CHEM Review

Carbon dioxide is abbreviated as CO₂ because it is made up of 1 carbon atom and 2 oxygen atoms. Carbon dioxide is a/an...

• Colloid because it has carbon in it
• Compound because it is a molecule with more than one type of atom
• Atom because it is the smallest unit of carbon dioxide that exists
• Element because carbon and oxygen are both in the periodic table of elements

Iron is a metal that is mined from the earth. Iron metal is used to make many different things, including buildings and soup cans. Iron is made of only 1 type of atom. Iron is a/an...

• Atomic number
• Compound
• Element
• Atomic weight

Tags

NGSS.MS-PS1-1

Photosynthesis is the process whereby plants make glucose (C6H12O6) and oxygen (O2).  Glucose is a/an ____________ and oxygen is a/an _____________.

• compound; compound
• element; element
• element; compound
• compound; element

Table salt, NaCl, is made of sodium and chlorine atoms.  Table salt is a/an:

• compound
• element

Tags

NGSS.MS-PS1-1

A single molecule of water contains one oxygen atom and two hydrogen atoms.  Water is a/an:

• Element
• Compound
• Hydroid
• Solution

Pure oxygen contains only one type of atom.  Oxygen is a/an:

• element
• compound

Tags

NGSS.MS-PS1-1

What is the tiniest particle in the entire universe?

• cells
• gases
• atoms
• liquids

Tags

NGSS.MS-PS1-1

Which part of an atom is POSITIVELY charged?

• protons
• neutrons
• electrons
• atoms

What part of an atom is NEGATIVELY charged?

• protons
• neutrons
• electrons
• atoms

Which part of an atom has no charge?

• protons
• neutrons
• electrons
• atoms