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What is the symbol for 2 electrons and 2 protons?
Number protons equal to atomic number. So the element is Helium
What element has 4 protons and 2 electrons?
Beryllium (Be) has 4 protons and 2 valence electrons.
What element has 2 protons in all?
Helium 2 protons 2 electrons
Where on the periodic table would you find the element with seven protons?
Nitrogen is the element with 7 protons. It is place din period -2 and group-15.
An element has 2 protons 2 electrons and 2 neutrons what is the element?
helium
What is Atomic number 2?
Atomic number 2 corresponds to the element Helium. Helium has 2 protons in its nucleus, making it the second element on the periodic table. It is a colorless, odorless gas and is the second most abundant element in the universe.
What element has 2 more protons than oxygen?
The element with 2 more protons than oxygen is sulfur. Oxygen has 8 protons, while sulfur has 16 protons.
Which element has 2 protons?
Helium.
What is the proton definition of helium?
Helium is an element with the chemical symbol He and atomic number 2, which means it has 2 protons in its nucleus. It is a noble gas and is known for being colorless, odorless, and inert under normal conditions.
Which element contains 2 protons less than krypton?
Element 34, which is selenium, contains 2 protons less than krypton. Krypton has 36 protons, while selenium has 34 protons.
The number of protons in the nucleus determines the?
The element it is hydrogen has 1 proton, helium 2, by changing protons you change what element it is.
What is helium gas mean?
Helium is a gaseous element at STP and has 2 protons, 2 electrons. He-3 isotope has 1 neutron whereas He-4 isotope has 2 neutrons.
