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8.5AB - Atomic Structure - Science TX Flashcards | StudBud
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8.5AB - Atomic Structure - Science TX
8.5AB - Atomic Structure - Science TX
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Intro to atoms, atomic structure, and the periodic table.
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
Which of the following is not a subatomic particle that we have learned about in class?
Proton
Neutrino
Neutron
Electron
2
Which set of particles and their locations is correct?
p+ = atom ... n0 = nucleus ... e- = cloud
p+ = nucleus ... n0 = nucleus ... e- = nucleus
p+ = nucleus ... n0 = nucleus ... e- = cloud
p+ = cloud ... n0 = nucleus ... e- = cloud
3
What is the overall charge of every atom that we study in 8th grade?
neutral
positive
negative
It depends.
4
Which set of properties matches the type of element?
non-metals - poor conductors, high melting point
metals - poor conductors, low melting point
metals - good conductors, high melting point
non-metals - good conductors, low malleability
5
A neutral atom contains 11 electrons, 12 neutrons and some number of protons. What is its mass number?
11
23
12
22
6
Atoms are made up of mostly -
protons
air
empty space
nucleus
7
Which two particles contribute to the mass of the atom?
Protons and Electrons
Protons and Neutrinos
Neutrons and Protons
Neutrons and Electrons
8
A neutral atom contains 25 protons and 30 neutrons. What is its mass number?
5
30
55
25
9
Which region of the atom contributes 99% of the atom's volume?
empty space
nucleus
electron cloud
atom
10
Which region of the atom contributes 99% of the atom's mass?
empty space
electron cloud
nucleus
atom
11
Which particle determines the reactivity of an element?
Electrons
Protons
Valence Electrons
Neutrons
12
On the Periodic Table, the staircase separates which two types of elements?
Gases and Metals
Metals and Non-metals
Groups and Periods
Gases and Solids
13
What is the overall charge of the nucleus of an atom?
positive
It depends.
negative
neutral
14
A neutral atom has 5 protons and a mass of 11 AMU. How many neutrons does it contain?
11
0
5
6
15
How many valence electrons does an atom of Fluorine have?
7
9
2
10
16
Which two particles contribute to the charge of the atom?
Electrons and Neutrons
Protons and Electrons
Neutrons and Protons
Protons and Neutrinos
17
Which particle determines the identity of an element?
Neutrons
Valence Electrons
Electrons
Protons
18
What is the overall charge of the electron cloud of an atom?
It depends.
negative
neutral
positive
19
A neutral atom has 5 protons and a mass of 11 AMU. How many electrons does it contain?
0
11
5
6
20
Which set of particles and their masses is correct?
p+ = 0 AMU ... n0 = 0 AMU ... e- = 1 AMU
p+ = 1 AMU ... n0 = 1 AMU ... e- = 0 AMU
p+ = 1 AMU ... n0 = 0 AMU ... e- = 1 AMU
p+ = 1 AMU ... n0 = 1 AMU ... e- = 1 AMU
