0
The element Potassium has an atomic number of 19 and an atomic mass of 39 Draw the ion that forms when it gains or loses an electron or electrons?
Wiki User
∙ 14y ago
When Potassium (K) gains one electron, it forms a positive ion with a charge of +1, written as K+. The electron configuration becomes 1s^2 2s^2 2p^6 3s^2 3p^6.
When Potassium loses one electron, it forms a negative ion with a charge of -1, written as K-. The electron configuration becomes 1s^2 2s^2 2p^6 3s^2 3p^6 4s^1.
Wiki User
∙ 14y agoAll metals only can loose some electrons, which is only ONE in the case of potassium.
Electron configuration of K: 19 in total, (K,L,M,N orbits) => 2, 8, 8, 1 resp. in each orbit.
- K ==> K+ + e-
This is the preferred (thus more stable) electron configuration of
the K+ion: 18 in total, (K,L,M,N orbits) => 2, 8, 8, 0 resp. in each orbit.
Add your answer:
Earn +20 pts
How many electrons does an atom potassium havew?
Finding the number of electrons in an atom is easy. You just have to know the atomic number of the element. The atomic number for Potassium is 19. That means Potassium has 19 electrons.
The element potassium has an atomic number of 19 this means that potassium?
The atomic number indicates the number of protons (19) and electrons (19).
How do you find the number of electrons in element?
The Atomic Number of the element is equal to the number of electrons. Also, the number of protons is also equal to the Atomic number; so the number of protons and electrons in any given element is the same!
In the element hydrogen what is the number of full electron levels?
hydrogen can only hold 1 electron. to find the # of electrons in a single element always look at the atomic number, the # of electrons = the # of protons (which is determined by the atomic #) since all single elements are neutral
How is the number of electrons is a neutral atom of a given element related to the atomic number of that element?
The atomic number tells you how many protons are in the element. The proton count is the same as the electron count as all elements have a charge of zero giving them the same. Simplified: the atomic number shows you how many electrons and protons are in the element. If it is a compound and it has a charge of +1 that means the element has lost one electron and has a positive charge. If it gained a electron it would be -1 as electrons are negatively charged.
Electrons of the 19th element?
The 19th element is potassium, which has the atomic symbol K. It has 19 electrons, including one valence electron that can be easily lost.
What is the element with a valence electron configuration of 2s2 2p4?
Bromine has 7 electrons in its fourth energy level.
How many number of electron does potassium have?
Potassium is element number 19, so it has 19 protons and 19 electrons in the neutral atom.A potassium atom has 19 protons.An uncharged atom therefore has 19 electrons, but in solution many potassium atoms exist as ions (K+), with 18 electrons.
How many electrons does an atom potassium havew?
Finding the number of electrons in an atom is easy. You just have to know the atomic number of the element. The atomic number for Potassium is 19. That means Potassium has 19 electrons.
The element potassium has an atomic number of 19 this means that potassium?
The atomic number indicates the number of protons (19) and electrons (19).
How many orbitals does potassium have?
Potassium has 4 orbitals. The atomic number of potassium is 19, therefore, potassium has 19 electrons. Orbital 1 holds 2 electrons, Orbital 2 holds 8 electrons, Orbital 3 holds 8 electrons, and Orbital 4 holds 1 electron. *Note: Potassium has 1 valence electron.
How do you find the number of electrons in element?
The Atomic Number of the element is equal to the number of electrons. Also, the number of protons is also equal to the Atomic number; so the number of protons and electrons in any given element is the same!
In the element hydrogen what is the number of full electron levels?
hydrogen can only hold 1 electron. to find the # of electrons in a single element always look at the atomic number, the # of electrons = the # of protons (which is determined by the atomic #) since all single elements are neutral
How is the number of electrons is a neutral atom of a given element related to the atomic number of that element?
The atomic number tells you how many protons are in the element. The proton count is the same as the electron count as all elements have a charge of zero giving them the same. Simplified: the atomic number shows you how many electrons and protons are in the element. If it is a compound and it has a charge of +1 that means the element has lost one electron and has a positive charge. If it gained a electron it would be -1 as electrons are negatively charged.
How is the number of electrons for a neutral atom of a given element related to the atomic number of that element?
The atomic number tells you how many protons are in the element. The proton count is the same as the electron count as all elements have a charge of zero giving them the same. Simplified: the atomic number shows you how many electrons and protons are in the element. If it is a compound and it has a charge of +1 that means the element has lost one electron and has a positive charge. If it gained a electron it would be -1 as electrons are negatively charged.
What is the electron energy level arrangement for potassium atomic number 19?
Potassium: - Electronic configuration: [Ar]4s1 - Electrons per shell: 2,8,8,1
What is the atomic core of potassium ion?
The nucleus is an electron, but in the outermost shell (= valence electron). The atomic number (Z) of potassium is 19. Therefore its electron distribution is 1s2 2s2 2p6 3s2 3p6 4s The valence electron is 4s, so the nucleus is 1s2 2s2 2p6 3s2 3p6. The potassium ion, K+, has lost one of its outermost electrons, so it has the same electrons as the nucleus of K.
