The number of protons in the nucleus of any element is its atomic number. The atomic number is what defines an element. In other words, if an atom had 5 protons, it would be one element, but if it had 6 protons, it would be another element. You can find the atomic number of any element on a Periodic Table of the elements.
The elements with greater than fifty protons and less than 75 protons are:
51: Sb(Antimony)
52: Te(Tellurium)
53: I(Iodine)
54: Xe(Xenon)
55: Cs(Cesium)
56: Ba(Barium)
57: La(Lanthanum)
58: Ce(Cerium)
59: Pr(Praseodymium)
60: Nd(Neodymium)
61: Pm(Promethium)
62: Sm(Samarium)
63: Eu(Europium)
64: Gd(Gadolinium)
65: Tb(Terbium)
66: Dy(Dysprosium)
67: Ho(Holmium)
68: Er(Erbium)
69: Tm(Thulium)
70: Yb(Ytterbium)
71: Lu(Lutetium)
72: Hf(Hafnium)
73: Ta(Tantalum)
74: W(Tungsten)
If you want elements with atomic number 50 and 75 as well:
50: Sn(Tin)
75: Re(Rhenium
I hope this helps.
Element 34, which is selenium, contains 2 protons less than krypton. Krypton has 36 protons, while selenium has 34 protons.
All isotopes of an element have the same number of protons, otherwise they would not be the same element. What varies is the number of neutrons, they can be more or less than in the stable isotope(s) of the element.
This chemical element is carbon.
there is no such element
The element that has half as many protons as zinc would be copper. Zinc has 30 protons, while copper has 29 protons. This means that copper has one less proton than zinc, making it the element with half as many protons.
Any one element can ONLY have a single fixed number of protons. Th only element with a number of protons that sits between 50 and 75 in group 17 of the periodic table is Iodine (I), with 53 protons.
Element 34, which is selenium, contains 2 protons less than krypton. Krypton has 36 protons, while selenium has 34 protons.
All isotopes of an element have the same number of protons, otherwise they would not be the same element. What varies is the number of neutrons, they can be more or less than in the stable isotope(s) of the element.
The element with 2 more protons than oxygen is sulfur. Oxygen has 8 protons, while sulfur has 16 protons.
This chemical element is calcium (Ca).
Platinum(Pt) has 78 protons. Gold(Au) has 79 protons
This chemical element is carbon.
The element described has more valence electrons than oxygen but fewer than neon, more protons than sodium but fewer than argon. This element is magnesium, which has 12 protons, 12 valence electrons (2 more than oxygen but 2 less than neon), and is situated between sodium and argon on the periodic table.
The element with 10 more protons than sulfur is argon. Sulfur has 16 protons, while argon has 18 protons.
there is no such element
The element in question is magnesium. It has 12 protons (more than sodium and less than argon), 2 more valence electrons than oxygen (which has 6), and 8 fewer valence electrons than neon (which has a full valence shell with 8 electrons).
The element in group 16 with more protons than sodium but fewer protons than argon is sulfur (S). Sodium has 11 protons, sulfur has 16 protons, and argon has 18 protons.