Periodic Table #2 Question Preview (ID: 21605)


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What are columns and rows called on the periodic table?
a) Periods and energy levels
b) Groups and Periods
c) Atomic numbers and periods
d) Groups and atomic numbers

If an element is divided into smaller and smaller parts, the smallest particles obtained would be
a) an atom
b) a proton
c) a molecule
d) an electron

Which statement is supported by the atomic theory?
a) Atoms combine to make all substances on Earth
b) Atoms make smaller molecules
c) Atoms are easily destroyed when heated or cooled
d) Atoms can be seen with a hand lens

An atom's mass number is 210 and its atomic number is 85. How many neutrons does the atom have?
a) 85
b) 125
c) 210
d) 295

If a basketball was used to model a proton, what would be used to model an electron?
a) a pea
b) a beach ball
c) a soccer ball
d) a bowling ball

Calcium is an element. What is the smallest particle of Calcium that has all the chemicals properties of Calcium?
a) An atom of calcium
b) A proton of calcium
c) An electron from a Calcium atom
d) A molecule that contain Calcium

Which of the following is not made up of atoms?
a) elements
b) molecules
c) pure substances
d) subatomic particles

What is the mass number of an atom that has 4 protons, 4 electrons, and 5 neutrons?
a) 4
b) 5
c) 9
d) 13

Which group lists the parts of an atom from the most massive to the least massive?
a) proton, neutron, electron
b) neutron, electron, proton
c) electron, neutron, proton
d) neutron, proton, electron

Atoms are the building blocks of all matter. Which of the following are the building blocks of atoms?
a) elements
b) molecules
c) pure substances
d) subatomic particles

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