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Chapter 4
Chapter 4
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Elements, isotopes
Flashcards
10 cards
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Practice quiz
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Questions
10
Answers
1
Which scientist is credited with this model of the atom?
Bohr
Walter White
Heinsenberg
Enistein
2
Consider the element: Cl-19. How many protons does this atom contain?
16
17
14
19
3
What distinguishes the atom from one element from the atoms of another
# protons
# electrons
nucleus
# neutrons
4
An atom composed pf 16 protons, 16 electrons, and neutrons is
3216S
3416S
1632Ge
7332Ge
5
Which scientist wrote about the atomic theory and pictured atoms looking like this:
Bohr
Dalton
Rutherford
Einstein
6
What is the difference between mass number and atomic number?
Mass number is always bigger than the atomic number
Mass number included protons and neutrons
all of the above
Mass number is protons plus the number of electrons
7
How do isotopes of a given element differ from one another?
nucleus
# neutrons
# protons
# Electron
8
What are the objects in the picture?
Atoms
All of the above
Isotopes
Hydrogen
9
Which scientist performed the "gold foil" experiment?
Chadwick
JJ Thomson
Rutherford
Bohr
10
Which scientist showed the ray of particles could be deflected with a magnet?
Einstein
Chadwick
Rutherford
JJ Thomson
