Review Chemistry
40 Questions
| Attempts: 390
Chemistry- elements and atoms.
Questions and Answers
- 1.
Protons are found in the __________________ of the atom.
Correct Answer(s)
nucleus - 2.
The basic building blocks of all substances is an _________________
Correct Answer(s)
atom - 3.
The kind of atom is determined only by the number of ______________ it has
Correct Answer(s)
protons - 4.
Protons have a charge of ____________.
Correct Answer(s)
positive - 5.
Protons have a mass of ________
Correct Answer(s)
1 amu
one amu - 6.
The number of protoms equal the ____________ and the number of ______________
Correct Answer(s)
atomic number electrons
electrons atomic number
atomic # electrons
electrons atomic # - 7.
Subtances that contain only one kind of atom are callled _________________
Correct Answer(s)
elements - 8.
_______ have a negative charge.
Correct Answer(s)
electrons - 9.
To find the mass of an atom you need to ________ the number of__________ and __________
Correct Answer(s)
add protons nuetrons
add nuetrons protons - 10.
To find the number of nuetrons of an atom you need to ____________ the number of__________ from the ______________
Correct Answer(s)
subtract protons mass number
subtract mass number protons - 11.
Electrons are found in the _____________
Correct Answer(s)
electron cloud - 12.
Building blocks of compounds
Correct Answer(s)
molecule - 13.
What state is matter in if it fills a container
Correct Answer(s)
gas - 14.
Molecules are atoms that are chemically combined
- A.
True
- B.
False
Correct Answer
A. True -
- 15.
Mixtures can not be separated by physical means
- A.
True
- B.
False
Correct Answer
B. False -
- 16.
An electrically charged atom positive or negative
Correct Answer
ion - 17.
What are the four states of matter
- A.
Solid
- B.
Liquid
- C.
Powder
- D.
Plasma
- E.
Gas
Correct Answer(s)
A. Solid
B. Liquid
D. Plasma
E. Gas -
- 18.
An ion can be positively or negatively charges
- A.
True
- B.
False
Correct Answer
A. True -
- 19.
What state of matter is matter in if it conforms to the sape of the container
Correct Answer
liquid - 20.
Helium
Correct Answer
He - 21.
Hydrogen
Correct Answer
H - 22.
Potassium
Correct Answer
K - 23.
Sodium
Correct Answer
Na - 24.
Silver
Correct Answer
Ag - 25.
Lead
Correct Answer
Pb - 26.
Copper
Correct Answer
Cu - 27.
Iron
Correct Answer
Fe - 28.
Chlorine
Correct Answer
Cl - 29.
Platinum
Correct Answer
Pt - 30.
Neon
Correct Answer
Ne - 31.
Iodine
Correct Answer
I - 32.
Calcium
Correct Answer
Ca - 33.
Aluminum
Correct Answer
Al - 34.
Iodine
Correct Answer
I - 35.
Nitrogen
Correct Answer
N - 36.
Silicon
Correct Answer
Si - 37.
Oxygen
Correct Answer
O - 38.
Flourine
Correct Answer
F - 39.
Sulfur
Correct Answer
S - 40.
Uranium
Correct Answer
U
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Jan 08, 2013Quiz Edited by
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Oct 27, 2009Quiz Created by
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