The halogen (group 17/VIIA) atoms form ions with a 1- charge when undergoing ionic bonding. An atom gains one electron from a metallic element, resulting in the metal developing an ion with a 1+ charge. The electrostatic attraction between the oppositely charged ions forms the ionic bond.
Halogens form ions with the charge -1.
Bromine
They generally form covalent compounds, but still they form -3 valency ions.
It would have a charge of -1 in water, the charge would be negative.A fluoride ions has a charge of -1. Symbol: F-(B.t.w. 'Fouride Ions' as spelled in the original question is chemically unknown)
CaCl2.
Two bromide ions can combine with one barium cation to form an ionic compound, because a barium cation has an electrical charge of +2, while a bromide anion has an electrical charge of -1.
Sodium ions have a +1 charge, whereas calcium ions have a 2+ charge.
When group 1A elements form ions, they form cations with a +1 charge.
Ammonium ions have a charge of +1 and Chromate ions have a charge of -2. When these ions react, they form Ammonium Chromate; 2NH4CrO4
Alkali metals are found in group 1 of the periodic table. They will form ions with a 1+ charge. If you meant alkaline earth, they are found in group 2, and will form ions with a 2+ charge.
Elements of group 1 readily form ions having a charge of +1.
The charge of group 7A elements when forming ions is -1 (negative 1).
Group 1 elements are the alkali metals, which form ions wih a 1+ charge.
Group that tend to form -1 ions include group VIIA
Usually if potassium has a charge, it is +1.
All ions are atoms. When the number of protons and electrons in an atom match, the charge is neutral. When there is an imbalance, the atom is an ion. Hydrogen typically has a charge of +1, whereas oxygen typically has a charge of -2. Oxygen therefore readily combines with two hydrogen atoms forming H2O, or water. Sodium (Na) has a +1 charge, while Chlorine (Cl) has a -1 charge. These ions combine to form NaCl, or common table salt.
metals generally form positively charged ions
All the listed elements form ions with a charge of 1, if "1" is taken as the absolute value of the charge on the ion. For fluorine, however, the corresponding ion has a charge of -1.
Sodium has a positive charge of 1 while Chlorine has a negative charge of 1 when it is in its ionic form.