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Periodic Table Review Flashcards | StudBud
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Periodic Table Review
Periodic Table Review
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1
When Dr. Mendeleev created the first Periodic Table, what did he base it on?
Number of Neutrons
Atomic Number
Ions
Atomic Mass
2
What happens to the reactivity of alkali metals as you move down Group 1?
Reactivity increases
Reactivity remains the same
Reactivity fluctuates randomly
Reactivity decreses
3
As you move down a group on the periodic table, what happens to the atomic radius?
It remains constant
It increases
It fluctuates randomly
It decreases
4
Which property generally decreases as you move from left to right across a period?
Electronegativity
Number of protons
Atomic radius
Ionization energy
5
Which group on the periodic table contains the most reactive nonmetals?
Halogens
Group 2 (Alkaline Earth Metals)
Group 1 (Alkali Metals)
Group 18 (Noble Gases)
6
Which factor contributes most to the increasing electronegativity across a period?
Decreasing atomic mass
Decreasing number of protons
Increasing nuclear charge
Increasing number of energy levels
7
What is the correct order of increasing atomic size among the following elements: Li, Na, K?
Na, Li, K
Li, K, Na
Li, Na, K
K, Na, Li
8
Which element in Period 4 is a transition metal?
Bromine (Br)
Potassium (K)
Calcium (Ca)
Iron (Fe)
9
Which element has the lowest electronegativity in Group 2?
Beryllium (Be)
Magnesium (Mg)
Barium (Ba)
Calcium (Ca)
10
Which element is likely to have the smallest atomic radius?
A) Nitrogen (N)
Oxygen (O)
Carbon (C)
Fluorine (F)
11
Which element would have the highest electronegativity?
Bromine (Br)
Sulfer (S)
Phosphorus (P)
Chlorine (Cl)
12
Which of these elements is least likely to form a positive ion?
Sodium (Na)
Calcium (Ca)
Neon (Ne)
Oxygen (O)
13
Which element would you expect to have properties most similar to magnesium (Mg)?
Sodium (Na)
Calcium (Ca)
Phosphorus (P)
Potassium (K)
14
What is the most metallic element in Group 13?
Boron (B)
Gallium (Ga)
Aluminum (Al)
Indium (In)
15
Which group contains elements that are mostly gases at room temperature?
Group 1
Group 14
Group 18
Group 17
16
As you move across a period from left to right, what happens to the number of protons in the nucleus?
It stays the same
It Increases
It decreases
It fluctuates
17
Which element is expected to have the lowest ionization energy in Period 5?
Xenon (Xe)
Iodine (I)
Strontium (Sr)
Rubidium (Rb)
18
Who organized their periodic table according to atomic number in 1913?
Henry Mosely
John Newland
Dmitri Mendeleev
Glenn Seaborg
19
What is the trend in ionization energy as you move down Group 17 (halogens)?
Ionization energy fluctuates unpredictably
Ionization energy decreases
Ionization energy increases
Ionization energy remains the same
20
Which of the following elements would not be considered a metalloid
Bismuth (Bi)
Boron (B)
Silicon (Si)
Tellurium (Te)
