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Unit 1: Atomic Structure and Periodic Table Flashcards | StudBud
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Unit 1: Atomic Structure and Periodic Table
Unit 1: Atomic Structure and Periodic Table
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A quick quiz to check out understanding of the periodic table and atomic structure
Flashcards
24 cards
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Questions
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Answers
1
What is the charge of the nucleus?
negative
Neutral
positive
ion
2
The group determines the
Number of energy levels
Number of protons
Number of Valence Electrons
Number of Nuetrons
3
In which location on the Periodic Table are the nonmetals found?
Location 4
Location 2
Location 3
Location 1
4
Molybdenum has an atomic number of 42. This means that molybdenum –
Has a melting point of 42 degrees
can form 42 bonds with other atoms
42 protons in the nucleus
Belongs to group 42 on the periodic table
5
Which of the following properties of carbon distinguishes it from all other elements?
Carbon is gray solid at room temp
Carbon can be found in earth's crust
Carbon forms compounds with oxygen
Carbon has 6 protons in the nucleus
6
What is the symbol for potassium?
Po
Kr
P
K
7
Which of the following elements is a noble gas?
Manganese (Mn)
Antimony (Sb)
Chlorine (Cl)
Krypton (Kr)
8
Which lists the pair of subatomic particles that balance the charge of the atom?
protons and electrons
electrons and ions
neutrons and electrons
protons and neutrons
9
Which element is in group 16?
Calcium (Ca)
Nitrogen (N)
Silicon (Si)
Oxygen (O)
10
What subatomic particles are found in the nucleus?
nuetrons only
Electrons and neutrons
protons and neutrons
protons and Electrons
11
Which of the following properties uniquely identifies every element?
charge of the atom
number of valence electrons
phase at room temp.
number of protons
12
Ca is the symbol for:
Cobalt
Calcium
Carbon
Cadmium
13
Which pair of elements would have the same number of valence electrons?
Magnesium and Sodium
Magnesium and Lithium
Lithium and Sodium
Lithium and Berylium
14
Which element is classified as a nonmetal?
Aluminum (Al)
Silicon (Si)
Chlorine (Cl)
Beryllium (Be)
15
The elements in the periodic table are organized by:
Ionization energy
Electron affinity
Atomic number
Atomic mass
16
The period determines
Number of valence electrons
Number of electrons
Number of energy rings
Number of protons
17
Which element is in period 5?
Vanadium (V)
Tin (Sn)
Boron (B)
Arsenic (As)
18
The elements to the left side of the periodic table are classified as:
Metals
Nonmetals
Noble gases
Metalloids/semi-metals
19
An element’s reactivity and other chemical properties are determined by the number of -
orbitals it has
phase at room temp
number of protons
Valence electrons
20
Based on the information provided, it can be concluded that –
aluminum has the most protons
bromine is the best conductor
Phosphorus is the least stable
sodium is the most reactive
21
Which element would have similar properties to Sulfur?
Nitrogen
Fluorine
Oxygen
Chlorine
22
Which element has properties of both metals and nonmetals?
Silicon (Si)
Strontium (Sr)
Aluminum (Al)
Nickel (Ni)
23
Which element has an atomic number of 35?
Chlorine (Cl)
Boron (B)
Iodine (I)
Bromine (Br)
24
Which is decreasing as you move from left to right across this portion of the Periodic Table?
Valence electrons
metallic character
Electron orbitals
atomic number
