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Atom & Periodic Table Review Flashcards | StudBud
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Atom & Periodic Table Review
Atom & Periodic Table Review
16 terms
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StudBud Administration
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Review questions to prepare for unit 1 test.
Flashcards
16 cards
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Practice quiz
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Questions
16
Answers
1
How many valence electrons does Oxygen have?
16
8
9
6
2
What is the dependent or responding variable of this graph?
Degrees in Farenheit
Temperature in NYC
Day
Time
3
Identify the element with the following electron configuration: 1s
2
2s
2
2p
5
Nitrogen
Oxygen
Fluorine
Neon
4
The atomic number for Be is:
5
9.012
4
5.012
5
Which correctly describes the ELECTRON?
Positively charged, no mass.
Negatively charged, mass 1 amu.
Negatively charged, no mass.
Positively charged, mass 1 amu.
6
Which element has the highest electronegativity?
Carbon
Oxygen
Fluorine
Nitrogen
7
Electrons occupy the orbitals of lowest energy first. This describes:
Atomic Theory
Hund's Rule
Aufbau Principle
Pauli Exclusion Principle
8
How many valence electrons does calcium have?
4
20
2
40
9
How many neutrons does Beryllium have (approximately)?
13
9
4
5
10
The electron configuration for helium is 1s
2
. The 1 represents the:
type of orbital
energy level
valence electrons
number of electrons
11
What group is calcium in?
Alkaline Earth Metal
Halogen
Nobel Gas
Alkali Earth Metal
12
What period is chlorine in?
3
1
2
4
13
CHALLENGE: Which has the greatest mass?
electron
Helium
Hydrogen
proton
14
Which correctly describes a neutron?
Neutral, located in orbitals.
Negatively charged, located in the nucleus.
Neutral, located in the nucleus.
Positively charged, located in the nucleus.
15
Atomic radius, or size, increases
right to left
left to right
16
How did John Dalton picture the atom?
Solar System
Electron Cloud
Solid Sphere
Plum-Pudding
