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Atoms and the Periodic Table Review
Atoms and the Periodic Table Review
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Grade 8 Physical Science VA SOL PS.3 and PS.4
Flashcards
12 cards
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Practice quiz
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Questions
12
Answers
1
Atoms are made of smaller parts called...
elements
pure substances
subatomic particles
molecules
2
Which of the following is a property of metals?
brittle
good thermal insulator
good electrical conductor
low melting point
3
Atomic theory states
Atoms make all substances
Atoms are easily destroyed
Atoms are made from molecules
Atoms are different sizes, but are visible with a microscope
4
What type of chemical bond have low solubility in water and are poor electrical conductors?
ionic
metallic
covalent
5
Which answer lists the parts of the atom from
most
massive to
least
massive?
nucleus, electron, proton
nucleus, proton, electron
proton, nucleus, electron
electron, nucleus, proton
6
What type of chemical bond involves sharing electrons?
ionic
covalent
metallic
7
An ion with a negative charge is called
a cation
an isotope
an anion
molecule
8
Who developed the atomic model where the electrons have circular paths around the nucleus?
John Dalton
Niels Bohr
Ernest Rutherford
J.J. Thomson
9
Which kind of element is most likely used to make semiconductors?
nonmetals
liquids
metalloids
metals
10
Which group on the periodic table has a complete set of valence electrons?
group 1, alkali metals
group 4, carbon group
group 18, noble gases
group 17, hologens
11
If an element has an atomic mass of 19 and atomic #9, how many neutrons does it have?
28
19
9
10
12
Covalent bonds from between which groups of elements?
metal to metalloid
metal to nonmetal
metal to metal
nonmetal to nonmetal