Review Chemistry
40 Questions
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Chemistry- elements and atoms.
Questions and Answers
- 1.Protons are found in the __________________ of the atom.
- 2.
- 3.The kind of atom is determined only by the number of ______________ it has
- 4.Protons have a charge of ____________.
- 5.Protons have a mass of ________
- 6.The number of protoms equal the ____________ and the number of ______________
- 7.Subtances that contain only one kind of atom are callled _________________
- 8._______ have a negative charge.
- 9.To find the mass of an atom you need to ________ the number of__________ and __________
- 10.To find the number of nuetrons of an atom you need to ____________ the number of__________ from the ______________
- 11.Electrons are found in the _____________
- 12.Building blocks of compounds
- 13.What state is matter in if it fills a container
- 14.Molecules are atoms that are chemically combined
- A.
True
- B.
False
- 15.Mixtures can not be separated by physical means
- A.
True
- B.
False
- 16.An electrically charged atom positive or negative
- 17.What are the four states of matter
- A.
Solid
- B.
Liquid
- C.
Powder
- D.
Plasma
- E.
Gas
- 18.An ion can be positively or negatively charges
- A.
True
- B.
False
- 19.What state of matter is matter in if it conforms to the sape of the container
- 20.Helium
- 21.Hydrogen
- 22.Potassium
- 23.Sodium
- 24.Silver
- 25.Lead
- 26.Copper
- 27.Iron
- 28.Chlorine
- 29.Platinum
- 30.Neon
- 31.Iodine
- 32.Calcium
- 33.Aluminum
- 34.Iodine
- 35.Nitrogen
- 36.Silicon
- 37.Oxygen
- 38.Flourine
- 39.Sulfur
- 40.Uranium
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