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Atomic structure & Periodicity
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How many protons, neutron and electrons in the most common isotope of krypton? (p+,n,e-)
36,48,36
How many protons, neutron and electrons in calcium-42 with a 2+ charge? (p+,n,e-)
20,22,18
How many protons, neutron and electrons in deuterium with a 1- charge? (p+,n,e-)
1,1,2
What is wrong with this diagram?
Helium will never have an octet. Stable 1st energy level
name of this atom?
lithium-7 with a 1+ charge
How many protons, neutron and electrons? (p+,n,e-)
9,10,10
How many protons, neutron and electrons? (p+,n,e-)
5,6,2
How many protons, neutron and electrons? (p+,n,e-)
4,5,2
How many electron energy levels does a magnesium cation atom have?
2
How many electron energy levels does a neutral magnesium atom have?
3
protium, deuterium, & tritium are al isotopes of which element?
Hydrogen
Element that is a diatomic gas that typically forms 3 bonds and has a lone pair of electrons
nitrogen
Name the element in the second period that is a halogen
fluorine
Proton, neutrons, & electrons in a uranium-240 atom?
92,148,92
Of the three types of elements, which will most like form cations?
metals
Which property is described by an element's atom's ability to attract electrons?
electronegativity
name a transition metal in period 6 that in the same group as vanadium
tantalum
Which of the noble gases is slightly electronegative and will form compounds?
Xenon
Which Element is the most electronegative, tungsten, strontium, antimony, or tin?
antimony
If one proton was fused into a beryllium-10 nucleus... What would be the product?
boron-10
How many neutrons are in silver-107 & silver-109?
60,62
How many protons, neutrons, & electrons are there in an atom of potassium-40 with a 1+ charge?
19,21,18
How many valence electrons do the transition metals usually have?
2 valence electrons
Name the halogen in period 6
astatine
How many neutrons are in the most common isotope of gold?
118
Is an anion smaller or larger than a neutral atom?
Larger
Which element in period 5 is a noble gas?
Xenon
How many neutrons does Astatine-211 have?
126
Which group is the least electronegative (name)?
noble gases
Which halogen is a solid at room temperature?
iodine
Identify the # of each subatomic particle of Boron-11 with an +3 ion. (p,n,e)
5,6,2
Which group (name) is the most stable?
the noble gases
Write the nuclide symbol of an atomic that has 17 protons, 18 neutrons, 18 electrons
35 Cl 1-
Which element has the smallest atomic radius?
Helium
What element has 0 neutrons in its most common isotope?
Hydrogen
How many liquid elements are in the periodic table?
2
How many neutrons are in iron-57?
31
Which element in period 3 has 6 valence electrons?
sulfur
Which is the most electronegative element?
fluorine
How many neutrons are in neon-21?
11
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