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- 1. Multiple ChoiceCarbon 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 itCompound because it is a molecule with more than one type of atomAtom because it is the smallest unit of carbon dioxide that existsElement because carbon and oxygen are both in the periodic table of elements
- 2. Multiple ChoiceIron 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 numberCompoundElementAtomic weight
- 3. Multiple ChoiceAtoms are made up of :waterprotons neutrons and electonselectrons and protonsenergy
- 4. Multiple ChoiceMatter has :air and watermass and takes up spacemass and energy that leak outcompounds only
- 5. Multiple ChoiceProtons have a ________ change.negativeneutralpositivemagnetic
- 6. Multiple Choice
What is an element?
Two or more atoms joined together.
One of over 100 types of atoms
Two or more different elements joined together.
A particle with no charge found in the nucleus of an atom.
- 7. Multiple Choice
What is a molecule?
two non-metal elements bonded together (sharing electrons)
a mixture of different substances
smallest individual particles
salt mixed in water
- 8. Multiple Choice
What is a compound?
Two different elements bonded together.
Two of the same elements bonded together.
A mixture of different substances.
Two substances stuck together with glue.
- 9. Multiple ChoiceHow many neutrons are in Nitrogen-14?56714
- 10. Multiple ChoiceWhat is the charge of an atom with 10 electrons, 10 neutrons, and 10 protons?+10+50+1
- 11. Multiple ChoiceThe subatomic particle with a neutral charge is:protonselectronsneutronscloud
- 12. Multiple Choice
What is the atomic mass of Neon?1020.1810.1820.81 - Answer choicesTagsAnswer choicesTags