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WorksheetsQUIZ BEE AVERAGE
Total questions: 12
Worksheet time: 6mins
Which of the following statements is not part of Dalton's atomic theory?
The three main particles in atoms are protons, neutrons, and electrons.
All substances are composed of small, indivisible particles called atoms.
The atoms of a given element are identical in every respect.
In chemical reactions, atoms combine in simple, whole-number ratios.
According to the Rutherford model of the atom, most of the space that an atom takes up consists of
protons
neutrons
nucleus
empty space
When electricity is passed through water, a chemical reaction takes place. In this reaction
the products are water and hydrogen peroxide.
the products are carbon dioxide and oxygen.t
the products are hydrogen and oxygen.
he products are nitrogen and oxygen.
The number of electrons in an atom is the same as
the mass number of the atom
the number of neutrons in the atom
the number of protons in the atom
the difference between the mass number and atomic number
Bohr proposed that the line spectrum of an element is caused by
electrons moving from a higher energy level back to a lower energy level.
electrons moving from a lower energy level to a higher energy level.
protons moving from the nucleus to one of the energy levels.
electrons leaving the atom.
Which group in the periodic table contains the noble gases?
1
15
17
18
Elements that possess some properties of metals and some properties of nonmetals are called
alkali metals
metalloids
noble gases
heavy metals
The smallest particle of an element that is still that element is a(n)
molecule
compound
atom
chunk
Which of the following best describes the term "constellation"?
A group of stars that travel through space together.
A group of stars that is seen in the same part of the sky
.A group of stars that are located near each other in space.
A group of stars that form a shape or pattern.
The word "planet" comes from the Greek word "planetes" meaning
constellation.
star.
wanderers.
zodiac.
Most stars and constellations seem to rise in the east and set in the west because
the Earth is spinning around the Sun.
the whole galaxy is spinning.
this only seems to happen - it is an illusion.
the Earth rotates around its axis.
A star is matter that
emits large amounts of energy.
that are usually larger than planets.
that twinkles.
forms planet systems.
