What element has 2 protons 1 neutrons and 2 electrons?
element helium
Consider the element helium. Its atomic number is 2, so it has two protons in its nucleus. Its nucleus also contains two neutrons….Mass Number.
| Name | Hydrogen |
|---|---|
| Symbol | H |
| Protons | 1 |
| Neutrons | 0 |
| Electrons | 1 |
What atom has 2 protons 2 neutrons and 2 electrons?
helium atom
A typical helium atom contains 2 protons, 2 neutrons, and 2 electrons.
What is the charge of 2 protons 2 neutrons and 2 electrons?
Neutrons have no charge. Since the numbers of protons and electrons are equal, the positive charge of the protons and the negative charge of the electrons add up to zero. 2p++ 2e− = 0 . Therefore, a helium atom with two electrons, two protons, and two neutrons has no charge.
How many proton neutrons and electrons are in P?
Atomic number of phosphorus is 15 . So, it has 15 electrons and 15 protons.
What is the isotope symbol for atoms that contain 1 proton 1 electron and 2 neutrons?
Tritium
Tritium. H is known as tritium and contains one proton and two neutrons in its nucleus (mass number = 3).
What element has one proton one neutron and one electron?
element hydrogen
The element hydrogen has the simplest atoms, each with just one proton and one electron. The proton forms the nucleus, while the electron orbits around it. All other elements have neutrons as well as protons in their nucleus, such as helium, which is depicted in Figure 2.2.
Which type of atom has 1 proton 1 neutron and 1 electron?
Deuterium
Deuterium is an isotope of hydrogen that is composed of one proton, one neutron, and one electron. The nucleus of deuterium is composed of a proton and a neutron. The symbol for deuterium is given as 2H. The atomic number of deuterium is 1 and the mass number is 2.
What are 2 electrons and 2 protons?
Helium is the second element of the periodic table and thus is an atom with two protons in the nucleus. In its neutral state, Helium has two electrons in orbit about the nucleus. Model of a helium atom’s nucleus with two protons and two neutrons.
What is Neutron of P?
Phosphorus-31 is composed of 15 protons, 16 neutrons, and 15 electrons.
How many neutrons are in P?
15
Phosphorus/Atomic number
What is the atom with 2 neutrons and 1 proton?
Tritium is a hydrogen isotope consisting of one proton, two neutrons and one electron. It is radioactive, with a half-life of 12.32 years.