Periodic Table
Which element is in Group 17, Period 2?
F
What vanilla atom has a mass number of 100 amu?
Sn
What element has an electron configuration of
2e-, 8e-
Ne
Which element has the larger atomic mass?
Mg / P
P
Fill in the blank:
1. Ions have a different number of protons and ________.
2. Isotopes have a different number of protons and ________.
1. Electrons
2. Neutrons
Rb
If an iridium has an average atomic mass of 192.2 amu, what would the mass number of the most abundant isotope of this element be?
192
What element has an electron configuration of
2e-, 8e-, 3e-
Al
Which element has the largest atomic radius?
C / Ge / Br
Ge
An element has 12 protons and a charge of +2. How many electrons does the element have?
10 electrons
Which element has 4 valence electrons in its 4th energy level?
Ti
The atomic mass of an unknown element is 65.39. What is the name of this element?
Zinc (Zn)
What is the electron configuration of Manganese (25)?
Which element has the smallest electronegativity?
Ca / Ga / Ba
Ba
An element has 33 protons and a mass number of 75. How many neutrons does it have?
42 neutrons
Which family has only needs to gain 1 electron to fill its valence shell?
Halogens
The Isotopes of Tungsten are below.
Tungsten-180 0.16%
Tungsten-181 0.04%
Tungsten-182 26.5%
Tungsten-183 14.3%
Tungsten-184 30.6%
Tungsten-186 28.4%
What is the name of the most common isotope of Tungsten?
What is the valance shell and valence electrons of Iodine?
VS: 5 Ve: 17
Which element has the highest ionization energy?
N / Cl / Be / He
He
Ms. Correa will draw an atomic notation on the board. Write down the # of protons, electrons, and neutrons for the element.
p: 79
n: 118
e: 76
Would Magnesium lose or gain electrons to fill its valence shell if its electron configuration is 2e-,8e-,2e-?
Lose
Calculate the average atomic mass of Te if the isotopes are:
Tellurium-100 50% Tellurium-125 20%
Tellurium-150 20% Tellurium-200 10%
125
What element has an electron configuration of
2e-, 8e-, 8e-, 18e-, 18e-, 31e-
Astatine (At)
Which element has both the smallest atomic radius and the most electronegativity?
Br / Cl / Ar / S / Se
Cl
What is the atomic notation of the element that has the following parts?
p: 51
n: 122
e: 54
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