Easiest to understand while looking at a Periodic Table. As you know, all gases react to try to become nobles. Magnesium has 12 electrons, and the closest noble gas (neon), which Mg wants to become, has 10 electrons. So in order to be balanced, Mg has to lose 3 electrons (you may initially think it needs to lost 2, but include Mg when you are counting back --> 12,11,10) . When an atom loses electrons, which have a negative charge, it will become positive, as it will have more positive H+ atoms than negative e- atoms. Again, if you look at your periodic table, this is quite simple to figure out :)
The neutral atom of magnesium has no electrical charge; the ion is bivalent.
All neutrons have a negative charge. That is the reason they are called neutrons.
When magnesium loses its two electrons, it forms a magnesium ion with a charge of +2. This occurs because the neutral magnesium atom has 12 protons and 12 electrons, and losing two electrons results in a net positive charge. Therefore, the final charge of the magnesium ion is +2, represented as Mg²⁺.
The symbol "24mg2" likely refers to the magnesium ion with a +2 charge. Magnesium has 12 electrons in a neutral atom, but since it has a +2 charge, it has lost 2 electrons, giving it 10 electrons in total when it becomes a Mg2+ ion.
Magnesium as an atom has two valance electrons. To complete it's octet, it must lose two electrons. Losing two electrons will make Mg have 12 protons and 10 electrons therefore having a +2 charge.
The neutral atom of magnesium has no electrical charge; the ion is bivalent.
The smaller atomic radius of a magnesium atom compared to a sodium atom is primarily a result of the increased nuclear charge in magnesium due to the higher number of protons. This increased nuclear charge pulls the electrons closer to the nucleus, resulting in a smaller atomic radius for magnesium.
All neutrons have a negative charge. That is the reason they are called neutrons.
A magnesium atom has 12 protons, 12 electrons, and 12 neutrons. Protons carry a positive charge, electrons a negative charge, and neutrons have no charge. The number of protons determines the element (in this case, magnesium), while the number of electrons balances the positive charge of the protons to maintain a neutral atom.
The formula for a magnesium ion is Mg2+. This indicates that the magnesium atom has lost two electrons, giving it a positive charge of 2.
Magnesium has 12 protons, so if there are only 10 electrons, then it will have a +2 charge.
When magnesium loses its two electrons, it forms a magnesium ion with a charge of +2. This occurs because the neutral magnesium atom has 12 protons and 12 electrons, and losing two electrons results in a net positive charge. Therefore, the final charge of the magnesium ion is +2, represented as Mg²⁺.
Well, if it's neutral.... It's kinda a no brainer.
The magnesium atom is electrically neutral. It has 12 protons in the nucleus, which are positively charged, and 12 electrons surrounding the nucleus, which are negatively charged. The positive and negative charges balance each other out, resulting in an overall neutral charge for the atom.
A magnesium ion differs from a magnesium atom because it has two fewer electrons. When a magnesium atom loses two electrons, it forms a magnesium ion with a 2+ charge.
The symbol "24mg2" likely refers to the magnesium ion with a +2 charge. Magnesium has 12 electrons in a neutral atom, but since it has a +2 charge, it has lost 2 electrons, giving it 10 electrons in total when it becomes a Mg2+ ion.
The periodic table states that the atomic number of magnesium is 12. A magnesium atom would thus have 12 protons in its nucleus; any atom that has 12 protons must be a magnesium atom. Atomic number = number of protons